Home / 80,205.06-120,239.94-50,557.56

Finding the Fourth Proportional to 80,205.06, 120,239.94 and 50,557.56

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Solution

The fourth proportional to 80,205.06, 120,239.94 and 50,557.56 is: 75,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,205.06 : 120,239.94 = 50,557.56 : x
  2. Step 2: Convert to fraction form
    80,205.06/120,239.94 = 50,557.56/x
  3. Step 3: Cross multiply
    80,205.06x = 120,239.94 × 50,557.56
  4. Step 4: Simplify right side
    80,205.06x = 6,079,037,980.95
  5. Step 5: Solve for x
    x = 6,079,037,980.95/80,205.06
  6. Step 6: Final answer
    x = 75,793.70

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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.