Need help please!! Stumped

Question

A man stands next to the cape hatteras Lighthouse in North Carolina. The lighthouse and the man are perpendicular to the ground. The suns rays strike the lighthouse and the man at the same angle forming two similar triangles. If the man is 5.8 ft tall and casts a shadow of 2.5 ft, and the lighthouse casts a shadow that is 83.2 ft, use indirect measurement to approximate the height of the lighthouse

Answer 1

h/83.2 = 5.8/2.5