Home / 198,988.08-274,610.28-108,347.56

Finding the Fourth Proportional to 198,988.08, 274,610.28 and 108,347.56

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Solution

The fourth proportional to 198,988.08, 274,610.28 and 108,347.56 is: 149,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,988.08 : 274,610.28 = 108,347.56 : x
  2. Step 2: Convert to fraction form
    198,988.08/274,610.28 = 108,347.56/x
  3. Step 3: Cross multiply
    198,988.08x = 274,610.28 × 108,347.56
  4. Step 4: Simplify right side
    198,988.08x = 29,753,353,788.92
  5. Step 5: Solve for x
    x = 29,753,353,788.92/198,988.08
  6. Step 6: Final answer
    x = 149,523.30

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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.