Home / 135,966.20-203,949.30-123,500.30

Finding the Fourth Proportional to 135,966.20, 203,949.30 and 123,500.30

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Solution

The fourth proportional to 135,966.20, 203,949.30 and 123,500.30 is: 185,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,966.20 : 203,949.30 = 123,500.30 : x
  2. Step 2: Convert to fraction form
    135,966.20/203,949.30 = 123,500.30/x
  3. Step 3: Cross multiply
    135,966.20x = 203,949.30 × 123,500.30
  4. Step 4: Simplify right side
    135,966.20x = 25,187,799,734.79
  5. Step 5: Solve for x
    x = 25,187,799,734.79/135,966.20
  6. Step 6: Final answer
    x = 185,250.45

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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.