Home / 129,972.92-194,958.38-53,035.62

Finding the Fourth Proportional to 129,972.92, 194,958.38 and 53,035.62

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Solution

The fourth proportional to 129,972.92, 194,958.38 and 53,035.62 is: 79,553.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,972.92 : 194,958.38 = 53,035.62 : x
  2. Step 2: Convert to fraction form
    129,972.92/194,958.38 = 53,035.62/x
  3. Step 3: Cross multiply
    129,972.92x = 194,958.38 × 53,035.62
  4. Step 4: Simplify right side
    129,972.92x = 10,339,738,557.50
  5. Step 5: Solve for x
    x = 10,339,738,557.50/129,972.92
  6. Step 6: Final answer
    x = 79,553.02

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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.