Home / 84,205.20-125,691.36-74,241

Finding the Fourth Proportional to 84,205.20, 125,691.36 and 74,241

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Solution

The fourth proportional to 84,205.20, 125,691.36 and 74,241 is: 110,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.20 : 125,691.36 = 74,241 : x
  2. Step 2: Convert to fraction form
    84,205.20/125,691.36 = 74,241/x
  3. Step 3: Cross multiply
    84,205.20x = 125,691.36 × 74,241
  4. Step 4: Simplify right side
    84,205.20x = 9,331,452,257.76
  5. Step 5: Solve for x
    x = 9,331,452,257.76/84,205.20
  6. Step 6: Final answer
    x = 110,818.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.