Home / 154,655.20-231,982.80-75,923.20

Finding the Fourth Proportional to 154,655.20, 231,982.80 and 75,923.20

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Solution

The fourth proportional to 154,655.20, 231,982.80 and 75,923.20 is: 113,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,655.20 : 231,982.80 = 75,923.20 : x
  2. Step 2: Convert to fraction form
    154,655.20/231,982.80 = 75,923.20/x
  3. Step 3: Cross multiply
    154,655.20x = 231,982.80 × 75,923.20
  4. Step 4: Simplify right side
    154,655.20x = 17,612,876,520.96
  5. Step 5: Solve for x
    x = 17,612,876,520.96/154,655.20
  6. Step 6: Final answer
    x = 113,884.80

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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.