Home / 90,095.25-135,142.89-27,765.75

Finding the Fourth Proportional to 90,095.25, 135,142.89 and 27,765.75

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Solution

The fourth proportional to 90,095.25, 135,142.89 and 27,765.75 is: 41,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,095.25 : 135,142.89 = 27,765.75 : x
  2. Step 2: Convert to fraction form
    90,095.25/135,142.89 = 27,765.75/x
  3. Step 3: Cross multiply
    90,095.25x = 135,142.89 × 27,765.75
  4. Step 4: Simplify right side
    90,095.25x = 3,752,343,698.02
  5. Step 5: Solve for x
    x = 3,752,343,698.02/90,095.25
  6. Step 6: Final answer
    x = 41,648.63

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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.