Home / 154,559.20-231,872.40-88,031.20

Finding the Fourth Proportional to 154,559.20, 231,872.40 and 88,031.20

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Solution

The fourth proportional to 154,559.20, 231,872.40 and 88,031.20 is: 132,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,559.20 : 231,872.40 = 88,031.20 : x
  2. Step 2: Convert to fraction form
    154,559.20/231,872.40 = 88,031.20/x
  3. Step 3: Cross multiply
    154,559.20x = 231,872.40 × 88,031.20
  4. Step 4: Simplify right side
    154,559.20x = 20,412,005,618.88
  5. Step 5: Solve for x
    x = 20,412,005,618.88/154,559.20
  6. Step 6: Final answer
    x = 132,065.94

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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.