Finding the Fourth Proportional to 124,385.68, 186,542.52 and 54,248.08
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Solution
The fourth proportional to 124,385.68, 186,542.52 and 54,248.08 is: 81,356.42
Step by Step Solution
- Step 1: Write the proportion equation
124,385.68 : 186,542.52 = 54,248.08 : x - Step 2: Convert to fraction form
124,385.68/186,542.52 = 54,248.08/x - Step 3: Cross multiply
124,385.68x = 186,542.52 × 54,248.08 - Step 4: Simplify right side
124,385.68x = 10,119,573,548.36 - Step 5: Solve for x
x = 10,119,573,548.36/124,385.68 - Step 6: Final answer
x = 81,356.42
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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.