Finding the Fourth Proportional to 106,687.88, 160,132.24 and 54,135.08
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Solution
The fourth proportional to 106,687.88, 160,132.24 and 54,135.08 is: 81,253.57
Step by Step Solution
- Step 1: Write the proportion equation
106,687.88 : 160,132.24 = 54,135.08 : x - Step 2: Convert to fraction form
106,687.88/160,132.24 = 54,135.08/x - Step 3: Cross multiply
106,687.88x = 160,132.24 × 54,135.08 - Step 4: Simplify right side
106,687.88x = 8,668,771,622.98 - Step 5: Solve for x
x = 8,668,771,622.98/106,687.88 - Step 6: Final answer
x = 81,253.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.