Home / 90,394.12-135,575.76-23,834.90

Finding the Fourth Proportional to 90,394.12, 135,575.76 and 23,834.90

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Solution

The fourth proportional to 90,394.12, 135,575.76 and 23,834.90 is: 35,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,394.12 : 135,575.76 = 23,834.90 : x
  2. Step 2: Convert to fraction form
    90,394.12/135,575.76 = 23,834.90/x
  3. Step 3: Cross multiply
    90,394.12x = 135,575.76 × 23,834.90
  4. Step 4: Simplify right side
    90,394.12x = 3,231,433,884.97
  5. Step 5: Solve for x
    x = 3,231,433,884.97/90,394.12
  6. Step 6: Final answer
    x = 35,748.28

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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.