Home / 198,974.42-274,583.01-108,330.15

Finding the Fourth Proportional to 198,974.42, 274,583.01 and 108,330.15

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Solution

The fourth proportional to 198,974.42, 274,583.01 and 108,330.15 is: 149,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,974.42 : 274,583.01 = 108,330.15 : x
  2. Step 2: Convert to fraction form
    198,974.42/274,583.01 = 108,330.15/x
  3. Step 3: Cross multiply
    198,974.42x = 274,583.01 × 108,330.15
  4. Step 4: Simplify right side
    198,974.42x = 29,745,618,660.75
  5. Step 5: Solve for x
    x = 29,745,618,660.75/198,974.42
  6. Step 6: Final answer
    x = 149,494.69

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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.