Home / 80,222.70-120,334.05-44,793.30

Finding the Fourth Proportional to 80,222.70, 120,334.05 and 44,793.30

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Solution

The fourth proportional to 80,222.70, 120,334.05 and 44,793.30 is: 67,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,222.70 : 120,334.05 = 44,793.30 : x
  2. Step 2: Convert to fraction form
    80,222.70/120,334.05 = 44,793.30/x
  3. Step 3: Cross multiply
    80,222.70x = 120,334.05 × 44,793.30
  4. Step 4: Simplify right side
    80,222.70x = 5,390,159,201.87
  5. Step 5: Solve for x
    x = 5,390,159,201.87/80,222.70
  6. Step 6: Final answer
    x = 67,189.95

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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.