Home / 165,067.38-227,795.49-89,615.88

Finding the Fourth Proportional to 165,067.38, 227,795.49 and 89,615.88

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Solution

The fourth proportional to 165,067.38, 227,795.49 and 89,615.88 is: 123,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,067.38 : 227,795.49 = 89,615.88 : x
  2. Step 2: Convert to fraction form
    165,067.38/227,795.49 = 89,615.88/x
  3. Step 3: Cross multiply
    165,067.38x = 227,795.49 × 89,615.88
  4. Step 4: Simplify right side
    165,067.38x = 20,414,093,296.38
  5. Step 5: Solve for x
    x = 20,414,093,296.38/165,067.38
  6. Step 6: Final answer
    x = 123,671.27

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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.