Finding the Fourth Proportional to 117,346.08, 161,937.17 and 63,630.96
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Solution
The fourth proportional to 117,346.08, 161,937.17 and 63,630.96 is: 87,810.49
Step by Step Solution
- Step 1: Write the proportion equation
117,346.08 : 161,937.17 = 63,630.96 : x - Step 2: Convert to fraction form
117,346.08/161,937.17 = 63,630.96/x - Step 3: Cross multiply
117,346.08x = 161,937.17 × 63,630.96 - Step 4: Simplify right side
117,346.08x = 10,304,217,268.63 - Step 5: Solve for x
x = 10,304,217,268.63/117,346.08 - Step 6: Final answer
x = 87,810.49
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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.