Home / 154,034.05-231,077.36-68,675.88

Finding the Fourth Proportional to 154,034.05, 231,077.36 and 68,675.88

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Solution

The fourth proportional to 154,034.05, 231,077.36 and 68,675.88 is: 103,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034.05 : 231,077.36 = 68,675.88 : x
  2. Step 2: Convert to fraction form
    154,034.05/231,077.36 = 68,675.88/x
  3. Step 3: Cross multiply
    154,034.05x = 231,077.36 × 68,675.88
  4. Step 4: Simplify right side
    154,034.05x = 15,869,441,046.08
  5. Step 5: Solve for x
    x = 15,869,441,046.08/154,034.05
  6. Step 6: Final answer
    x = 103,025.54

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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.