Home / 161,951.88-223,493.01-90,331.85

Finding the Fourth Proportional to 161,951.88, 223,493.01 and 90,331.85

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Solution

The fourth proportional to 161,951.88, 223,493.01 and 90,331.85 is: 124,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,951.88 : 223,493.01 = 90,331.85 : x
  2. Step 2: Convert to fraction form
    161,951.88/223,493.01 = 90,331.85/x
  3. Step 3: Cross multiply
    161,951.88x = 223,493.01 × 90,331.85
  4. Step 4: Simplify right side
    161,951.88x = 20,188,535,937.90
  5. Step 5: Solve for x
    x = 20,188,535,937.90/161,951.88
  6. Step 6: Final answer
    x = 124,657.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.