Home / 199,601.40-298,910.03-132,679.20

Finding the Fourth Proportional to 199,601.40, 298,910.03 and 132,679.20

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Solution

The fourth proportional to 199,601.40, 298,910.03 and 132,679.20 is: 198,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,601.40 : 298,910.03 = 132,679.20 : x
  2. Step 2: Convert to fraction form
    199,601.40/298,910.03 = 132,679.20/x
  3. Step 3: Cross multiply
    199,601.40x = 298,910.03 × 132,679.20
  4. Step 4: Simplify right side
    199,601.40x = 39,659,142,988.98
  5. Step 5: Solve for x
    x = 39,659,142,988.98/199,601.40
  6. Step 6: Final answer
    x = 198,691.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.