Home / 165,013.38-227,719.07-89,561.88

Finding the Fourth Proportional to 165,013.38, 227,719.07 and 89,561.88

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Solution

The fourth proportional to 165,013.38, 227,719.07 and 89,561.88 is: 123,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,013.38 : 227,719.07 = 89,561.88 : x
  2. Step 2: Convert to fraction form
    165,013.38/227,719.07 = 89,561.88/x
  3. Step 3: Cross multiply
    165,013.38x = 227,719.07 × 89,561.88
  4. Step 4: Simplify right side
    165,013.38x = 20,394,948,021.05
  5. Step 5: Solve for x
    x = 20,394,948,021.05/165,013.38
  6. Step 6: Final answer
    x = 123,595.72

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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.