Finding the Fourth Proportional to 141,134.22, 194,759.10 and 77,473.08
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Solution
The fourth proportional to 141,134.22, 194,759.10 and 77,473.08 is: 106,909.49
Step by Step Solution
- Step 1: Write the proportion equation
141,134.22 : 194,759.10 = 77,473.08 : x - Step 2: Convert to fraction form
141,134.22/194,759.10 = 77,473.08/x - Step 3: Cross multiply
141,134.22x = 194,759.10 × 77,473.08 - Step 4: Simplify right side
141,134.22x = 15,088,587,335.03 - Step 5: Solve for x
x = 15,088,587,335.03/141,134.22 - Step 6: Final answer
x = 106,909.49
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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.