Home / 90,540.24-135,817.62-34,407.24

Finding the Fourth Proportional to 90,540.24, 135,817.62 and 34,407.24

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Solution

The fourth proportional to 90,540.24, 135,817.62 and 34,407.24 is: 51,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,540.24 : 135,817.62 = 34,407.24 : x
  2. Step 2: Convert to fraction form
    90,540.24/135,817.62 = 34,407.24/x
  3. Step 3: Cross multiply
    90,540.24x = 135,817.62 × 34,407.24
  4. Step 4: Simplify right side
    90,540.24x = 4,673,109,447.57
  5. Step 5: Solve for x
    x = 4,673,109,447.57/90,540.24
  6. Step 6: Final answer
    x = 51,613.62

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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.