Home / 198,859.24-274,426.92-108,215.92

Finding the Fourth Proportional to 198,859.24, 274,426.92 and 108,215.92

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Solution

The fourth proportional to 198,859.24, 274,426.92 and 108,215.92 is: 149,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,859.24 : 274,426.92 = 108,215.92 : x
  2. Step 2: Convert to fraction form
    198,859.24/274,426.92 = 108,215.92/x
  3. Step 3: Cross multiply
    198,859.24x = 274,426.92 × 108,215.92
  4. Step 4: Simplify right side
    198,859.24x = 29,697,361,620.57
  5. Step 5: Solve for x
    x = 29,697,361,620.57/198,859.24
  6. Step 6: Final answer
    x = 149,338.61

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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.