Home / 154,477.40-231,716.10-88,122.20

Finding the Fourth Proportional to 154,477.40, 231,716.10 and 88,122.20

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Solution

The fourth proportional to 154,477.40, 231,716.10 and 88,122.20 is: 132,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,477.40 : 231,716.10 = 88,122.20 : x
  2. Step 2: Convert to fraction form
    154,477.40/231,716.10 = 88,122.20/x
  3. Step 3: Cross multiply
    154,477.40x = 231,716.10 × 88,122.20
  4. Step 4: Simplify right side
    154,477.40x = 20,419,332,507.42
  5. Step 5: Solve for x
    x = 20,419,332,507.42/154,477.40
  6. Step 6: Final answer
    x = 132,183.30

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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.