Home / 90,196.62-135,295.83-40,279.24

Finding the Fourth Proportional to 90,196.62, 135,295.83 and 40,279.24

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Solution

The fourth proportional to 90,196.62, 135,295.83 and 40,279.24 is: 60,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196.62 : 135,295.83 = 40,279.24 : x
  2. Step 2: Convert to fraction form
    90,196.62/135,295.83 = 40,279.24/x
  3. Step 3: Cross multiply
    90,196.62x = 135,295.83 × 40,279.24
  4. Step 4: Simplify right side
    90,196.62x = 5,449,613,207.57
  5. Step 5: Solve for x
    x = 5,449,613,207.57/90,196.62
  6. Step 6: Final answer
    x = 60,419.27

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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.