Finding the Fourth Proportional to 116,156.08, 160,351.71 and 77,901.63
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Solution
The fourth proportional to 116,156.08, 160,351.71 and 77,901.63 is: 107,542.02
Step by Step Solution
- Step 1: Write the proportion equation
116,156.08 : 160,351.71 = 77,901.63 : x - Step 2: Convert to fraction form
116,156.08/160,351.71 = 77,901.63/x - Step 3: Cross multiply
116,156.08x = 160,351.71 × 77,901.63 - Step 4: Simplify right side
116,156.08x = 12,491,659,387.53 - Step 5: Solve for x
x = 12,491,659,387.53/116,156.08 - Step 6: Final answer
x = 107,542.02
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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.