Finding the Fourth Proportional to 135,209.97, 186,583.77 and 73,955.07
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Solution
The fourth proportional to 135,209.97, 186,583.77 and 73,955.07 is: 102,054.72
Step by Step Solution
- Step 1: Write the proportion equation
135,209.97 : 186,583.77 = 73,955.07 : x - Step 2: Convert to fraction form
135,209.97/186,583.77 = 73,955.07/x - Step 3: Cross multiply
135,209.97x = 186,583.77 × 73,955.07 - Step 4: Simplify right side
135,209.97x = 13,798,815,771.21 - Step 5: Solve for x
x = 13,798,815,771.21/135,209.97 - Step 6: Final answer
x = 102,054.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.