Home / 102,481.29-141,370.41-83,382.42

Finding the Fourth Proportional to 102,481.29, 141,370.41 and 83,382.42

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Solution

The fourth proportional to 102,481.29, 141,370.41 and 83,382.42 is: 115,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,481.29 : 141,370.41 = 83,382.42 : x
  2. Step 2: Convert to fraction form
    102,481.29/141,370.41 = 83,382.42/x
  3. Step 3: Cross multiply
    102,481.29x = 141,370.41 × 83,382.42
  4. Step 4: Simplify right side
    102,481.29x = 11,787,806,195.34
  5. Step 5: Solve for x
    x = 11,787,806,195.34/102,481.29
  6. Step 6: Final answer
    x = 115,023.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.