Home / 90,202.42-135,287.78-27,873.46

Finding the Fourth Proportional to 90,202.42, 135,287.78 and 27,873.46

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Solution

The fourth proportional to 90,202.42, 135,287.78 and 27,873.46 is: 41,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.42 : 135,287.78 = 27,873.46 : x
  2. Step 2: Convert to fraction form
    90,202.42/135,287.78 = 27,873.46/x
  3. Step 3: Cross multiply
    90,202.42x = 135,287.78 × 27,873.46
  4. Step 4: Simplify right side
    90,202.42x = 3,770,937,917.56
  5. Step 5: Solve for x
    x = 3,770,937,917.56/90,202.42
  6. Step 6: Final answer
    x = 41,805.29

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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.