Home / 129,552.31-194,439.23-50,721.89

Finding the Fourth Proportional to 129,552.31, 194,439.23 and 50,721.89

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Solution

The fourth proportional to 129,552.31, 194,439.23 and 50,721.89 is: 76,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,552.31 : 194,439.23 = 50,721.89 : x
  2. Step 2: Convert to fraction form
    129,552.31/194,439.23 = 50,721.89/x
  3. Step 3: Cross multiply
    129,552.31x = 194,439.23 × 50,721.89
  4. Step 4: Simplify right side
    129,552.31x = 9,862,324,982.14
  5. Step 5: Solve for x
    x = 9,862,324,982.14/129,552.31
  6. Step 6: Final answer
    x = 76,126.20

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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.