Home / 129,721.07-194,565.50-34,958.66

Finding the Fourth Proportional to 129,721.07, 194,565.50 and 34,958.66

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Solution

The fourth proportional to 129,721.07, 194,565.50 and 34,958.66 is: 52,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,721.07 : 194,565.50 = 34,958.66 : x
  2. Step 2: Convert to fraction form
    129,721.07/194,565.50 = 34,958.66/x
  3. Step 3: Cross multiply
    129,721.07x = 194,565.50 × 34,958.66
  4. Step 4: Simplify right side
    129,721.07x = 6,801,749,473.85
  5. Step 5: Solve for x
    x = 6,801,749,473.85/129,721.07
  6. Step 6: Final answer
    x = 52,433.65

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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.