Home / 154,930.16-232,383.90-88,160.78

Finding the Fourth Proportional to 154,930.16, 232,383.90 and 88,160.78

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Solution

The fourth proportional to 154,930.16, 232,383.90 and 88,160.78 is: 132,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,930.16 : 232,383.90 = 88,160.78 : x
  2. Step 2: Convert to fraction form
    154,930.16/232,383.90 = 88,160.78/x
  3. Step 3: Cross multiply
    154,930.16x = 232,383.90 × 88,160.78
  4. Step 4: Simplify right side
    154,930.16x = 20,487,145,883.44
  5. Step 5: Solve for x
    x = 20,487,145,883.44/154,930.16
  6. Step 6: Final answer
    x = 132,234.72

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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.