Home / 90,098.25-135,147.39-27,768.75

Finding the Fourth Proportional to 90,098.25, 135,147.39 and 27,768.75

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Solution

The fourth proportional to 90,098.25, 135,147.39 and 27,768.75 is: 41,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,098.25 : 135,147.39 = 27,768.75 : x
  2. Step 2: Convert to fraction form
    90,098.25/135,147.39 = 27,768.75/x
  3. Step 3: Cross multiply
    90,098.25x = 135,147.39 × 27,768.75
  4. Step 4: Simplify right side
    90,098.25x = 3,752,874,086.06
  5. Step 5: Solve for x
    x = 3,752,874,086.06/90,098.25
  6. Step 6: Final answer
    x = 41,653.13

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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.