Home / 90,240.12-135,383.22-27,060

Finding the Fourth Proportional to 90,240.12, 135,383.22 and 27,060

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Solution

The fourth proportional to 90,240.12, 135,383.22 and 27,060 is: 40,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,240.12 : 135,383.22 = 27,060 : x
  2. Step 2: Convert to fraction form
    90,240.12/135,383.22 = 27,060/x
  3. Step 3: Cross multiply
    90,240.12x = 135,383.22 × 27,060
  4. Step 4: Simplify right side
    90,240.12x = 3,663,469,933.20
  5. Step 5: Solve for x
    x = 3,663,469,933.20/90,240.12
  6. Step 6: Final answer
    x = 40,596.91

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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.