Finding the Fourth Proportional to 141,387.36, 195,122.88 and 77,724.96
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Solution
The fourth proportional to 141,387.36, 195,122.88 and 77,724.96 is: 107,265.02
Step by Step Solution
- Step 1: Write the proportion equation
141,387.36 : 195,122.88 = 77,724.96 : x - Step 2: Convert to fraction form
141,387.36/195,122.88 = 77,724.96/x - Step 3: Cross multiply
141,387.36x = 195,122.88 × 77,724.96 - Step 4: Simplify right side
141,387.36x = 15,165,918,043.08 - Step 5: Solve for x
x = 15,165,918,043.08/141,387.36 - Step 6: Final answer
x = 107,265.02
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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.