Home / 148,726.92-205,244.68-80,744.52

Finding the Fourth Proportional to 148,726.92, 205,244.68 and 80,744.52

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Solution

The fourth proportional to 148,726.92, 205,244.68 and 80,744.52 is: 111,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,726.92 : 205,244.68 = 80,744.52 : x
  2. Step 2: Convert to fraction form
    148,726.92/205,244.68 = 80,744.52/x
  3. Step 3: Cross multiply
    148,726.92x = 205,244.68 × 80,744.52
  4. Step 4: Simplify right side
    148,726.92x = 16,572,383,169.15
  5. Step 5: Solve for x
    x = 16,572,383,169.15/148,726.92
  6. Step 6: Final answer
    x = 111,428.27

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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.