Home / 148,161.11-221,983.01-123,360.71

Finding the Fourth Proportional to 148,161.11, 221,983.01 and 123,360.71

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Solution

The fourth proportional to 148,161.11, 221,983.01 and 123,360.71 is: 184,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,161.11 : 221,983.01 = 123,360.71 : x
  2. Step 2: Convert to fraction form
    148,161.11/221,983.01 = 123,360.71/x
  3. Step 3: Cross multiply
    148,161.11x = 221,983.01 × 123,360.71
  4. Step 4: Simplify right side
    148,161.11x = 27,383,981,104.73
  5. Step 5: Solve for x
    x = 27,383,981,104.73/148,161.11
  6. Step 6: Final answer
    x = 184,825.70

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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.