Home / 90,183.60-135,292.40-27,839.52

Finding the Fourth Proportional to 90,183.60, 135,292.40 and 27,839.52

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Solution

The fourth proportional to 90,183.60, 135,292.40 and 27,839.52 is: 41,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183.60 : 135,292.40 = 27,839.52 : x
  2. Step 2: Convert to fraction form
    90,183.60/135,292.40 = 27,839.52/x
  3. Step 3: Cross multiply
    90,183.60x = 135,292.40 × 27,839.52
  4. Step 4: Simplify right side
    90,183.60x = 3,766,475,475.65
  5. Step 5: Solve for x
    x = 3,766,475,475.65/90,183.60
  6. Step 6: Final answer
    x = 41,764.53

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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.