Home / 198,037.20-297,201.60-79,793.40

Finding the Fourth Proportional to 198,037.20, 297,201.60 and 79,793.40

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Solution

The fourth proportional to 198,037.20, 297,201.60 and 79,793.40 is: 119,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,037.20 : 297,201.60 = 79,793.40 : x
  2. Step 2: Convert to fraction form
    198,037.20/297,201.60 = 79,793.40/x
  3. Step 3: Cross multiply
    198,037.20x = 297,201.60 × 79,793.40
  4. Step 4: Simplify right side
    198,037.20x = 23,714,726,149.44
  5. Step 5: Solve for x
    x = 23,714,726,149.44/198,037.20
  6. Step 6: Final answer
    x = 119,748.85

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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.