Home / 198,922.46-274,508.64-108,276.17

Finding the Fourth Proportional to 198,922.46, 274,508.64 and 108,276.17

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Solution

The fourth proportional to 198,922.46, 274,508.64 and 108,276.17 is: 149,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,922.46 : 274,508.64 = 108,276.17 : x
  2. Step 2: Convert to fraction form
    198,922.46/274,508.64 = 108,276.17/x
  3. Step 3: Cross multiply
    198,922.46x = 274,508.64 × 108,276.17
  4. Step 4: Simplify right side
    198,922.46x = 29,722,742,798.57
  5. Step 5: Solve for x
    x = 29,722,742,798.57/198,922.46
  6. Step 6: Final answer
    x = 149,418.74

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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.