Home / 90,214.38-135,321.57-27,884.88

Finding the Fourth Proportional to 90,214.38, 135,321.57 and 27,884.88

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Solution

The fourth proportional to 90,214.38, 135,321.57 and 27,884.88 is: 41,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,214.38 : 135,321.57 = 27,884.88 : x
  2. Step 2: Convert to fraction form
    90,214.38/135,321.57 = 27,884.88/x
  3. Step 3: Cross multiply
    90,214.38x = 135,321.57 × 27,884.88
  4. Step 4: Simplify right side
    90,214.38x = 3,773,426,239.09
  5. Step 5: Solve for x
    x = 3,773,426,239.09/90,214.38
  6. Step 6: Final answer
    x = 41,827.32

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Similar ratio
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1.5x scale

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.