Home / 149,456.10-223,856.10-129,773.10

Finding the Fourth Proportional to 149,456.10, 223,856.10 and 129,773.10

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Solution

The fourth proportional to 149,456.10, 223,856.10 and 129,773.10 is: 194,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,456.10 : 223,856.10 = 129,773.10 : x
  2. Step 2: Convert to fraction form
    149,456.10/223,856.10 = 129,773.10/x
  3. Step 3: Cross multiply
    149,456.10x = 223,856.10 × 129,773.10
  4. Step 4: Simplify right side
    149,456.10x = 29,050,500,050.91
  5. Step 5: Solve for x
    x = 29,050,500,050.91/149,456.10
  6. Step 6: Final answer
    x = 194,374.80

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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.