Home / 90,179.42-135,268.99-36,168.46

Finding the Fourth Proportional to 90,179.42, 135,268.99 and 36,168.46

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Solution

The fourth proportional to 90,179.42, 135,268.99 and 36,168.46 is: 54,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,179.42 : 135,268.99 = 36,168.46 : x
  2. Step 2: Convert to fraction form
    90,179.42/135,268.99 = 36,168.46/x
  3. Step 3: Cross multiply
    90,179.42x = 135,268.99 × 36,168.46
  4. Step 4: Simplify right side
    90,179.42x = 4,892,471,589.80
  5. Step 5: Solve for x
    x = 4,892,471,589.80/90,179.42
  6. Step 6: Final answer
    x = 54,252.64

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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.