Home / 135,198.27-202,845.60-60,311.70

Finding the Fourth Proportional to 135,198.27, 202,845.60 and 60,311.70

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Solution

The fourth proportional to 135,198.27, 202,845.60 and 60,311.70 is: 90,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,198.27 : 202,845.60 = 60,311.70 : x
  2. Step 2: Convert to fraction form
    135,198.27/202,845.60 = 60,311.70/x
  3. Step 3: Cross multiply
    135,198.27x = 202,845.60 × 60,311.70
  4. Step 4: Simplify right side
    135,198.27x = 12,233,962,973.52
  5. Step 5: Solve for x
    x = 12,233,962,973.52/135,198.27
  6. Step 6: Final answer
    x = 90,489.05

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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.