Home / 148,198.20-204,512.18-80,213.80

Finding the Fourth Proportional to 148,198.20, 204,512.18 and 80,213.80

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Solution

The fourth proportional to 148,198.20, 204,512.18 and 80,213.80 is: 110,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,198.20 : 204,512.18 = 80,213.80 : x
  2. Step 2: Convert to fraction form
    148,198.20/204,512.18 = 80,213.80/x
  3. Step 3: Cross multiply
    148,198.20x = 204,512.18 × 80,213.80
  4. Step 4: Simplify right side
    148,198.20x = 16,404,699,104.08
  5. Step 5: Solve for x
    x = 16,404,699,104.08/148,198.20
  6. Step 6: Final answer
    x = 110,694.32

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1.5x scale

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.