Home / 131,491.29-197,257.68-42,724.06

Finding the Fourth Proportional to 131,491.29, 197,257.68 and 42,724.06

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Solution

The fourth proportional to 131,491.29, 197,257.68 and 42,724.06 is: 64,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,491.29 : 197,257.68 = 42,724.06 : x
  2. Step 2: Convert to fraction form
    131,491.29/197,257.68 = 42,724.06/x
  3. Step 3: Cross multiply
    131,491.29x = 197,257.68 × 42,724.06
  4. Step 4: Simplify right side
    131,491.29x = 8,427,648,955.78
  5. Step 5: Solve for x
    x = 8,427,648,955.78/131,491.29
  6. Step 6: Final answer
    x = 64,092.83

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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.