Home / 129,772.56-194,691.24-36,277.56

Finding the Fourth Proportional to 129,772.56, 194,691.24 and 36,277.56

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Solution

The fourth proportional to 129,772.56, 194,691.24 and 36,277.56 is: 54,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,772.56 : 194,691.24 = 36,277.56 : x
  2. Step 2: Convert to fraction form
    129,772.56/194,691.24 = 36,277.56/x
  3. Step 3: Cross multiply
    129,772.56x = 194,691.24 × 36,277.56
  4. Step 4: Simplify right side
    129,772.56x = 7,062,923,140.57
  5. Step 5: Solve for x
    x = 7,062,923,140.57/129,772.56
  6. Step 6: Final answer
    x = 54,425.40

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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.