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Finding the Fourth Proportional to 83,297.28, 124,945.80 and 27,137.30

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Solution

The fourth proportional to 83,297.28, 124,945.80 and 27,137.30 is: 40,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,297.28 : 124,945.80 = 27,137.30 : x
  2. Step 2: Convert to fraction form
    83,297.28/124,945.80 = 27,137.30/x
  3. Step 3: Cross multiply
    83,297.28x = 124,945.80 × 27,137.30
  4. Step 4: Simplify right side
    83,297.28x = 3,390,691,658.34
  5. Step 5: Solve for x
    x = 3,390,691,658.34/83,297.28
  6. Step 6: Final answer
    x = 40,705.91

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1.5x scale

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.