Home / 215,266.86-322,725.33-75,123.90

Finding the Fourth Proportional to 215,266.86, 322,725.33 and 75,123.90

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Solution

The fourth proportional to 215,266.86, 322,725.33 and 75,123.90 is: 112,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,266.86 : 322,725.33 = 75,123.90 : x
  2. Step 2: Convert to fraction form
    215,266.86/322,725.33 = 75,123.90/x
  3. Step 3: Cross multiply
    215,266.86x = 322,725.33 × 75,123.90
  4. Step 4: Simplify right side
    215,266.86x = 24,244,385,418.39
  5. Step 5: Solve for x
    x = 24,244,385,418.39/215,266.86
  6. Step 6: Final answer
    x = 112,624.79

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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.