Finding the Fourth Proportional to 88,135.60, 132,397.80 and 84,830.80
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Solution
The fourth proportional to 88,135.60, 132,397.80 and 84,830.80 is: 127,433.31
Step by Step Solution
- Step 1: Write the proportion equation
88,135.60 : 132,397.80 = 84,830.80 : x - Step 2: Convert to fraction form
88,135.60/132,397.80 = 84,830.80/x - Step 3: Cross multiply
88,135.60x = 132,397.80 × 84,830.80 - Step 4: Simplify right side
88,135.60x = 11,231,411,292.24 - Step 5: Solve for x
x = 11,231,411,292.24/88,135.60 - Step 6: Final answer
x = 127,433.31
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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.