Home / 147,032.20-220,694.10-72,236.80

Finding the Fourth Proportional to 147,032.20, 220,694.10 and 72,236.80

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Solution

The fourth proportional to 147,032.20, 220,694.10 and 72,236.80 is: 108,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,032.20 : 220,694.10 = 72,236.80 : x
  2. Step 2: Convert to fraction form
    147,032.20/220,694.10 = 72,236.80/x
  3. Step 3: Cross multiply
    147,032.20x = 220,694.10 × 72,236.80
  4. Step 4: Simplify right side
    147,032.20x = 15,942,235,562.88
  5. Step 5: Solve for x
    x = 15,942,235,562.88/147,032.20
  6. Step 6: Final answer
    x = 108,426.83

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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.