Home / 148,832.83-205,390.92-80,850.61

Finding the Fourth Proportional to 148,832.83, 205,390.92 and 80,850.61

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Solution

The fourth proportional to 148,832.83, 205,390.92 and 80,850.61 is: 111,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,832.83 : 205,390.92 = 80,850.61 : x
  2. Step 2: Convert to fraction form
    148,832.83/205,390.92 = 80,850.61/x
  3. Step 3: Cross multiply
    148,832.83x = 205,390.92 × 80,850.61
  4. Step 4: Simplify right side
    148,832.83x = 16,605,981,170.46
  5. Step 5: Solve for x
    x = 16,605,981,170.46/148,832.83
  6. Step 6: Final answer
    x = 111,574.72

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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.