Home / 129,717.56-194,586.36-49,793.96

Finding the Fourth Proportional to 129,717.56, 194,586.36 and 49,793.96

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Solution

The fourth proportional to 129,717.56, 194,586.36 and 49,793.96 is: 74,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,717.56 : 194,586.36 = 49,793.96 : x
  2. Step 2: Convert to fraction form
    129,717.56/194,586.36 = 49,793.96/x
  3. Step 3: Cross multiply
    129,717.56x = 194,586.36 × 49,793.96
  4. Step 4: Simplify right side
    129,717.56x = 9,689,225,426.39
  5. Step 5: Solve for x
    x = 9,689,225,426.39/129,717.56
  6. Step 6: Final answer
    x = 74,694.79

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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.