Home / 198,927.19-274,523.03-108,285.76

Finding the Fourth Proportional to 198,927.19, 274,523.03 and 108,285.76

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Solution

The fourth proportional to 198,927.19, 274,523.03 and 108,285.76 is: 149,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,927.19 : 274,523.03 = 108,285.76 : x
  2. Step 2: Convert to fraction form
    198,927.19/274,523.03 = 108,285.76/x
  3. Step 3: Cross multiply
    198,927.19x = 274,523.03 × 108,285.76
  4. Step 4: Simplify right side
    198,927.19x = 29,726,935,148.85
  5. Step 5: Solve for x
    x = 29,726,935,148.85/198,927.19
  6. Step 6: Final answer
    x = 149,436.26

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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.