Home / 165,011.38-227,715.71-89,559.88

Finding the Fourth Proportional to 165,011.38, 227,715.71 and 89,559.88

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Solution

The fourth proportional to 165,011.38, 227,715.71 and 89,559.88 is: 123,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,011.38 : 227,715.71 = 89,559.88 : x
  2. Step 2: Convert to fraction form
    165,011.38/227,715.71 = 89,559.88/x
  3. Step 3: Cross multiply
    165,011.38x = 227,715.71 × 89,559.88
  4. Step 4: Simplify right side
    165,011.38x = 20,394,190,644.63
  5. Step 5: Solve for x
    x = 20,394,190,644.63/165,011.38
  6. Step 6: Final answer
    x = 123,592.63

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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.