Home / 158,115.56-236,793.31-90,442.44

Finding the Fourth Proportional to 158,115.56, 236,793.31 and 90,442.44

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Solution

The fourth proportional to 158,115.56, 236,793.31 and 90,442.44 is: 135,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,115.56 : 236,793.31 = 90,442.44 : x
  2. Step 2: Convert to fraction form
    158,115.56/236,793.31 = 90,442.44/x
  3. Step 3: Cross multiply
    158,115.56x = 236,793.31 × 90,442.44
  4. Step 4: Simplify right side
    158,115.56x = 21,416,164,505.97
  5. Step 5: Solve for x
    x = 21,416,164,505.97/158,115.56
  6. Step 6: Final answer
    x = 135,446.28

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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.