Write the Sentence as a Proportion Using $x$ As the Variable $x = 66.7$

Multiple Choice

Write the sentence as a proportion using $x$ as the variable. Solve the proportion to answer the question. What number is 150% of 6?

A) $x = 66.7$
B) $x = 9$
C) $x = 90$
D) $x = 4$
E) $x = 900$