Home / 198,821.72-274,367.04-108,175.16

Finding the Fourth Proportional to 198,821.72, 274,367.04 and 108,175.16

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Solution

The fourth proportional to 198,821.72, 274,367.04 and 108,175.16 is: 149,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,821.72 : 274,367.04 = 108,175.16 : x
  2. Step 2: Convert to fraction form
    198,821.72/274,367.04 = 108,175.16/x
  3. Step 3: Cross multiply
    198,821.72x = 274,367.04 × 108,175.16
  4. Step 4: Simplify right side
    198,821.72x = 29,679,698,450.73
  5. Step 5: Solve for x
    x = 29,679,698,450.73/198,821.72
  6. Step 6: Final answer
    x = 149,277.95

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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.