Home / 129,476.57-194,013.41-49,470.91

Finding the Fourth Proportional to 129,476.57, 194,013.41 and 49,470.91

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Solution

The fourth proportional to 129,476.57, 194,013.41 and 49,470.91 is: 74,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,476.57 : 194,013.41 = 49,470.91 : x
  2. Step 2: Convert to fraction form
    129,476.57/194,013.41 = 49,470.91/x
  3. Step 3: Cross multiply
    129,476.57x = 194,013.41 × 49,470.91
  4. Step 4: Simplify right side
    129,476.57x = 9,598,019,212.52
  5. Step 5: Solve for x
    x = 9,598,019,212.52/129,476.57
  6. Step 6: Final answer
    x = 74,129.39

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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.