Home / 90,250.88-135,383.60-27,921.38

Finding the Fourth Proportional to 90,250.88, 135,383.60 and 27,921.38

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Solution

The fourth proportional to 90,250.88, 135,383.60 and 27,921.38 is: 41,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,250.88 : 135,383.60 = 27,921.38 : x
  2. Step 2: Convert to fraction form
    90,250.88/135,383.60 = 27,921.38/x
  3. Step 3: Cross multiply
    90,250.88x = 135,383.60 × 27,921.38
  4. Step 4: Simplify right side
    90,250.88x = 3,780,096,334.25
  5. Step 5: Solve for x
    x = 3,780,096,334.25/90,250.88
  6. Step 6: Final answer
    x = 41,884.32

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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.