Home / 147,320.11-220,832.20-47,406.88

Finding the Fourth Proportional to 147,320.11, 220,832.20 and 47,406.88

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Solution

The fourth proportional to 147,320.11, 220,832.20 and 47,406.88 is: 71,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,320.11 : 220,832.20 = 47,406.88 : x
  2. Step 2: Convert to fraction form
    147,320.11/220,832.20 = 47,406.88/x
  3. Step 3: Cross multiply
    147,320.11x = 220,832.20 × 47,406.88
  4. Step 4: Simplify right side
    147,320.11x = 10,468,965,605.54
  5. Step 5: Solve for x
    x = 10,468,965,605.54/147,320.11
  6. Step 6: Final answer
    x = 71,062.71

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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.