Home / 80,150.06-120,236.02-33,392

Finding the Fourth Proportional to 80,150.06, 120,236.02 and 33,392

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Solution

The fourth proportional to 80,150.06, 120,236.02 and 33,392 is: 50,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,150.06 : 120,236.02 = 33,392 : x
  2. Step 2: Convert to fraction form
    80,150.06/120,236.02 = 33,392/x
  3. Step 3: Cross multiply
    80,150.06x = 120,236.02 × 33,392
  4. Step 4: Simplify right side
    80,150.06x = 4,014,921,179.84
  5. Step 5: Solve for x
    x = 4,014,921,179.84/80,150.06
  6. Step 6: Final answer
    x = 50,092.55

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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.