Home / 147,229.05-220,844.73-80,632.85

Finding the Fourth Proportional to 147,229.05, 220,844.73 and 80,632.85

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Solution

The fourth proportional to 147,229.05, 220,844.73 and 80,632.85 is: 120,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,229.05 : 220,844.73 = 80,632.85 : x
  2. Step 2: Convert to fraction form
    147,229.05/220,844.73 = 80,632.85/x
  3. Step 3: Cross multiply
    147,229.05x = 220,844.73 × 80,632.85
  4. Step 4: Simplify right side
    147,229.05x = 17,807,338,479.99
  5. Step 5: Solve for x
    x = 17,807,338,479.99/147,229.05
  6. Step 6: Final answer
    x = 120,949.90

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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.