Finding the Fourth Proportional to 132,387.60, 182,482.56 and 103,658.88
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Solution
The fourth proportional to 132,387.60, 182,482.56 and 103,658.88 is: 142,883.00
Step by Step Solution
- Step 1: Write the proportion equation
132,387.60 : 182,482.56 = 103,658.88 : x - Step 2: Convert to fraction form
132,387.60/182,482.56 = 103,658.88/x - Step 3: Cross multiply
132,387.60x = 182,482.56 × 103,658.88 - Step 4: Simplify right side
132,387.60x = 18,915,937,789.13 - Step 5: Solve for x
x = 18,915,937,789.13/132,387.60 - Step 6: Final answer
x = 142,883.00
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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.