Home / 107,691.10-148,591.18-65,241.43

Finding the Fourth Proportional to 107,691.10, 148,591.18 and 65,241.43

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Solution

The fourth proportional to 107,691.10, 148,591.18 and 65,241.43 is: 90,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,691.10 : 148,591.18 = 65,241.43 : x
  2. Step 2: Convert to fraction form
    107,691.10/148,591.18 = 65,241.43/x
  3. Step 3: Cross multiply
    107,691.10x = 148,591.18 × 65,241.43
  4. Step 4: Simplify right side
    107,691.10x = 9,694,301,068.59
  5. Step 5: Solve for x
    x = 9,694,301,068.59/107,691.10
  6. Step 6: Final answer
    x = 90,019.52

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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.