Finding the Fourth Proportional to 113,909.18, 157,194.04 and 62,925.41
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Solution
The fourth proportional to 113,909.18, 157,194.04 and 62,925.41 is: 86,836.72
Step by Step Solution
- Step 1: Write the proportion equation
113,909.18 : 157,194.04 = 62,925.41 : x - Step 2: Convert to fraction form
113,909.18/157,194.04 = 62,925.41/x - Step 3: Cross multiply
113,909.18x = 157,194.04 × 62,925.41 - Step 4: Simplify right side
113,909.18x = 9,891,499,416.56 - Step 5: Solve for x
x = 9,891,499,416.56/113,909.18 - Step 6: Final answer
x = 86,836.72
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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.