Home / 84,070.62-115,781.27-82,233.54

Finding the Fourth Proportional to 84,070.62, 115,781.27 and 82,233.54

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Solution

The fourth proportional to 84,070.62, 115,781.27 and 82,233.54 is: 113,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,070.62 : 115,781.27 = 82,233.54 : x
  2. Step 2: Convert to fraction form
    84,070.62/115,781.27 = 82,233.54/x
  3. Step 3: Cross multiply
    84,070.62x = 115,781.27 × 82,233.54
  4. Step 4: Simplify right side
    84,070.62x = 9,521,103,286.63
  5. Step 5: Solve for x
    x = 9,521,103,286.63/84,070.62
  6. Step 6: Final answer
    x = 113,251.26

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1.5x scale

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.