Home / 135,026.90-202,443.15-75,880.70

Finding the Fourth Proportional to 135,026.90, 202,443.15 and 75,880.70

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Solution

The fourth proportional to 135,026.90, 202,443.15 and 75,880.70 is: 113,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,026.90 : 202,443.15 = 75,880.70 : x
  2. Step 2: Convert to fraction form
    135,026.90/202,443.15 = 75,880.70/x
  3. Step 3: Cross multiply
    135,026.90x = 202,443.15 × 75,880.70
  4. Step 4: Simplify right side
    135,026.90x = 15,361,527,932.21
  5. Step 5: Solve for x
    x = 15,361,527,932.21/135,026.90
  6. Step 6: Final answer
    x = 113,766.43

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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.