Home / 148,205.76-204,522.24-80,221.20

Finding the Fourth Proportional to 148,205.76, 204,522.24 and 80,221.20

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Solution

The fourth proportional to 148,205.76, 204,522.24 and 80,221.20 is: 110,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,205.76 : 204,522.24 = 80,221.20 : x
  2. Step 2: Convert to fraction form
    148,205.76/204,522.24 = 80,221.20/x
  3. Step 3: Cross multiply
    148,205.76x = 204,522.24 × 80,221.20
  4. Step 4: Simplify right side
    148,205.76x = 16,407,019,519.49
  5. Step 5: Solve for x
    x = 16,407,019,519.49/148,205.76
  6. Step 6: Final answer
    x = 110,704.33

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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.