Home / 154,425.56-231,640.78-60,930.50

Finding the Fourth Proportional to 154,425.56, 231,640.78 and 60,930.50

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Solution

The fourth proportional to 154,425.56, 231,640.78 and 60,930.50 is: 91,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425.56 : 231,640.78 = 60,930.50 : x
  2. Step 2: Convert to fraction form
    154,425.56/231,640.78 = 60,930.50/x
  3. Step 3: Cross multiply
    154,425.56x = 231,640.78 × 60,930.50
  4. Step 4: Simplify right side
    154,425.56x = 14,113,988,545.79
  5. Step 5: Solve for x
    x = 14,113,988,545.79/154,425.56
  6. Step 6: Final answer
    x = 91,396.71

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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.