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Finding the Fourth Proportional to 135,324.80, 202,987.20 and 41,830.40

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Solution

The fourth proportional to 135,324.80, 202,987.20 and 41,830.40 is: 62,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,324.80 : 202,987.20 = 41,830.40 : x
  2. Step 2: Convert to fraction form
    135,324.80/202,987.20 = 41,830.40/x
  3. Step 3: Cross multiply
    135,324.80x = 202,987.20 × 41,830.40
  4. Step 4: Simplify right side
    135,324.80x = 8,491,035,770.88
  5. Step 5: Solve for x
    x = 8,491,035,770.88/135,324.80
  6. Step 6: Final answer
    x = 62,745.60

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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.