With a radial gauge, the implied target is the end of the range (the metaphor of a filed tank of gas). In your picture, that would be 100K.

The "Filled" gauge has an option to add a target line that isn't the end of the range:

https://domo-support.domo.com/s/article/360042924554?language=en_US

Or the "Comparative Fill Gauge" has a bunch of options for comparing to target, comparing to a range, comparing previous and current value, etc. https://domo-support.domo.com/s/article/360042924414?language=en_US

And as a Stephen Few fan, I'll throw in the bullet chart (it's easier to perceive distances on a straight line than on a curve):

https://domo-support.domo.com/s/article/360042924154?language=en_US