Home / 90,245.04-135,398.33-27,066.71

Finding the Fourth Proportional to 90,245.04, 135,398.33 and 27,066.71

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Solution

The fourth proportional to 90,245.04, 135,398.33 and 27,066.71 is: 40,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,245.04 : 135,398.33 = 27,066.71 : x
  2. Step 2: Convert to fraction form
    90,245.04/135,398.33 = 27,066.71/x
  3. Step 3: Cross multiply
    90,245.04x = 135,398.33 × 27,066.71
  4. Step 4: Simplify right side
    90,245.04x = 3,664,786,520.27
  5. Step 5: Solve for x
    x = 3,664,786,520.27/90,245.04
  6. Step 6: Final answer
    x = 40,609.28

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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.