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Finding the Fourth Proportional to 161,375.78, 222,695.22 and 88,775.62

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Solution

The fourth proportional to 161,375.78, 222,695.22 and 88,775.62 is: 122,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,375.78 : 222,695.22 = 88,775.62 : x
  2. Step 2: Convert to fraction form
    161,375.78/222,695.22 = 88,775.62/x
  3. Step 3: Cross multiply
    161,375.78x = 222,695.22 × 88,775.62
  4. Step 4: Simplify right side
    161,375.78x = 19,769,906,226.54
  5. Step 5: Solve for x
    x = 19,769,906,226.54/161,375.78
  6. Step 6: Final answer
    x = 122,508.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.