Home / 141,350.64-195,063.30-77,691.12

Finding the Fourth Proportional to 141,350.64, 195,063.30 and 77,691.12

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Solution

The fourth proportional to 141,350.64, 195,063.30 and 77,691.12 is: 107,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,350.64 : 195,063.30 = 77,691.12 : x
  2. Step 2: Convert to fraction form
    141,350.64/195,063.30 = 77,691.12/x
  3. Step 3: Cross multiply
    141,350.64x = 195,063.30 × 77,691.12
  4. Step 4: Simplify right side
    141,350.64x = 15,154,686,247.90
  5. Step 5: Solve for x
    x = 15,154,686,247.90/141,350.64
  6. Step 6: Final answer
    x = 107,213.43

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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.