Home / 131,269.68-196,882.92-42,586.56

Finding the Fourth Proportional to 131,269.68, 196,882.92 and 42,586.56

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Solution

The fourth proportional to 131,269.68, 196,882.92 and 42,586.56 is: 63,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,269.68 : 196,882.92 = 42,586.56 : x
  2. Step 2: Convert to fraction form
    131,269.68/196,882.92 = 42,586.56/x
  3. Step 3: Cross multiply
    131,269.68x = 196,882.92 × 42,586.56
  4. Step 4: Simplify right side
    131,269.68x = 8,384,566,285.56
  5. Step 5: Solve for x
    x = 8,384,566,285.56/131,269.68
  6. Step 6: Final answer
    x = 63,872.83

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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.