Home / 199,000.10-298,500.15-132,223.70

Finding the Fourth Proportional to 199,000.10, 298,500.15 and 132,223.70

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Solution

The fourth proportional to 199,000.10, 298,500.15 and 132,223.70 is: 198,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,000.10 : 298,500.15 = 132,223.70 : x
  2. Step 2: Convert to fraction form
    199,000.10/298,500.15 = 132,223.70/x
  3. Step 3: Cross multiply
    199,000.10x = 298,500.15 × 132,223.70
  4. Step 4: Simplify right side
    199,000.10x = 39,468,794,283.56
  5. Step 5: Solve for x
    x = 39,468,794,283.56/199,000.10
  6. Step 6: Final answer
    x = 198,335.55

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1.5x scale

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.