Finding the Fourth Proportional to 88,115.60, 132,367.80 and 84,810.80
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Solution
The fourth proportional to 88,115.60, 132,367.80 and 84,810.80 is: 127,403.31
Step by Step Solution
- Step 1: Write the proportion equation
88,115.60 : 132,367.80 = 84,810.80 : x - Step 2: Convert to fraction form
88,115.60/132,367.80 = 84,810.80/x - Step 3: Cross multiply
88,115.60x = 132,367.80 × 84,810.80 - Step 4: Simplify right side
88,115.60x = 11,226,219,012.24 - Step 5: Solve for x
x = 11,226,219,012.24/88,115.60 - Step 6: Final answer
x = 127,403.31
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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.