Home / 131,331.20-197,010.48-42,581.12

Finding the Fourth Proportional to 131,331.20, 197,010.48 and 42,581.12

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Solution

The fourth proportional to 131,331.20, 197,010.48 and 42,581.12 is: 63,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,331.20 : 197,010.48 = 42,581.12 : x
  2. Step 2: Convert to fraction form
    131,331.20/197,010.48 = 42,581.12/x
  3. Step 3: Cross multiply
    131,331.20x = 197,010.48 × 42,581.12
  4. Step 4: Simplify right side
    131,331.20x = 8,388,926,890.14
  5. Step 5: Solve for x
    x = 8,388,926,890.14/131,331.20
  6. Step 6: Final answer
    x = 63,876.12

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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.