Home / 221,972.44-332,961.76-72,213.52

Finding the Fourth Proportional to 221,972.44, 332,961.76 and 72,213.52

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Solution

The fourth proportional to 221,972.44, 332,961.76 and 72,213.52 is: 108,321.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,972.44 : 332,961.76 = 72,213.52 : x
  2. Step 2: Convert to fraction form
    221,972.44/332,961.76 = 72,213.52/x
  3. Step 3: Cross multiply
    221,972.44x = 332,961.76 × 72,213.52
  4. Step 4: Simplify right side
    221,972.44x = 24,044,340,715.00
  5. Step 5: Solve for x
    x = 24,044,340,715.00/221,972.44
  6. Step 6: Final answer
    x = 108,321.29

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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.