Home / 90,520.25-135,727.44-27,321.42

Finding the Fourth Proportional to 90,520.25, 135,727.44 and 27,321.42

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Solution

The fourth proportional to 90,520.25, 135,727.44 and 27,321.42 is: 40,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,520.25 : 135,727.44 = 27,321.42 : x
  2. Step 2: Convert to fraction form
    90,520.25/135,727.44 = 27,321.42/x
  3. Step 3: Cross multiply
    90,520.25x = 135,727.44 × 27,321.42
  4. Step 4: Simplify right side
    90,520.25x = 3,708,266,393.76
  5. Step 5: Solve for x
    x = 3,708,266,393.76/90,520.25
  6. Step 6: Final answer
    x = 40,966.16

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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.