Home / 198,859.19-274,425.18-108,215.13

Finding the Fourth Proportional to 198,859.19, 274,425.18 and 108,215.13

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Solution

The fourth proportional to 198,859.19, 274,425.18 and 108,215.13 is: 149,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,859.19 : 274,425.18 = 108,215.13 : x
  2. Step 2: Convert to fraction form
    198,859.19/274,425.18 = 108,215.13/x
  3. Step 3: Cross multiply
    198,859.19x = 274,425.18 × 108,215.13
  4. Step 4: Simplify right side
    198,859.19x = 29,696,956,528.97
  5. Step 5: Solve for x
    x = 29,696,956,528.97/198,859.19
  6. Step 6: Final answer
    x = 149,336.61

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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.