Home / 215,747.26-323,764.86-75,505.90

Finding the Fourth Proportional to 215,747.26, 323,764.86 and 75,505.90

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Solution

The fourth proportional to 215,747.26, 323,764.86 and 75,505.90 is: 113,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,747.26 : 323,764.86 = 75,505.90 : x
  2. Step 2: Convert to fraction form
    215,747.26/323,764.86 = 75,505.90/x
  3. Step 3: Cross multiply
    215,747.26x = 323,764.86 × 75,505.90
  4. Step 4: Simplify right side
    215,747.26x = 24,446,157,142.67
  5. Step 5: Solve for x
    x = 24,446,157,142.67/215,747.26
  6. Step 6: Final answer
    x = 113,309.24

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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.