Home / 129,721.11-194,565.56-34,958.71

Finding the Fourth Proportional to 129,721.11, 194,565.56 and 34,958.71

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Solution

The fourth proportional to 129,721.11, 194,565.56 and 34,958.71 is: 52,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,721.11 : 194,565.56 = 34,958.71 : x
  2. Step 2: Convert to fraction form
    129,721.11/194,565.56 = 34,958.71/x
  3. Step 3: Cross multiply
    129,721.11x = 194,565.56 × 34,958.71
  4. Step 4: Simplify right side
    129,721.11x = 6,801,760,158.65
  5. Step 5: Solve for x
    x = 6,801,760,158.65/129,721.11
  6. Step 6: Final answer
    x = 52,433.72

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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.