Home / 83,104.43-115,458.34-82,107.97

Finding the Fourth Proportional to 83,104.43, 115,458.34 and 82,107.97

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Solution

The fourth proportional to 83,104.43, 115,458.34 and 82,107.97 is: 114,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,104.43 : 115,458.34 = 82,107.97 : x
  2. Step 2: Convert to fraction form
    83,104.43/115,458.34 = 82,107.97/x
  3. Step 3: Cross multiply
    83,104.43x = 115,458.34 × 82,107.97
  4. Step 4: Simplify right side
    83,104.43x = 9,480,049,423.05
  5. Step 5: Solve for x
    x = 9,480,049,423.05/83,104.43
  6. Step 6: Final answer
    x = 114,073.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.