Home / 129,834.91-194,777.62-49,867.03

Finding the Fourth Proportional to 129,834.91, 194,777.62 and 49,867.03

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Solution

The fourth proportional to 129,834.91, 194,777.62 and 49,867.03 is: 74,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,834.91 : 194,777.62 = 49,867.03 : x
  2. Step 2: Convert to fraction form
    129,834.91/194,777.62 = 49,867.03/x
  3. Step 3: Cross multiply
    129,834.91x = 194,777.62 × 49,867.03
  4. Step 4: Simplify right side
    129,834.91x = 9,712,981,419.87
  5. Step 5: Solve for x
    x = 9,712,981,419.87/129,834.91
  6. Step 6: Final answer
    x = 74,810.24

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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.