Home / 90,150.57-135,268.38-40,226.22

Finding the Fourth Proportional to 90,150.57, 135,268.38 and 40,226.22

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Solution

The fourth proportional to 90,150.57, 135,268.38 and 40,226.22 is: 60,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,150.57 : 135,268.38 = 40,226.22 : x
  2. Step 2: Convert to fraction form
    90,150.57/135,268.38 = 40,226.22/x
  3. Step 3: Cross multiply
    90,150.57x = 135,268.38 × 40,226.22
  4. Step 4: Simplify right side
    90,150.57x = 5,441,335,612.92
  5. Step 5: Solve for x
    x = 5,441,335,612.92/90,150.57
  6. Step 6: Final answer
    x = 60,358.31

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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.