Home / 99,844.94-137,780.89-54,514.19

Finding the Fourth Proportional to 99,844.94, 137,780.89 and 54,514.19

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Solution

The fourth proportional to 99,844.94, 137,780.89 and 54,514.19 is: 75,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,844.94 : 137,780.89 = 54,514.19 : x
  2. Step 2: Convert to fraction form
    99,844.94/137,780.89 = 54,514.19/x
  3. Step 3: Cross multiply
    99,844.94x = 137,780.89 × 54,514.19
  4. Step 4: Simplify right side
    99,844.94x = 7,511,013,824.00
  5. Step 5: Solve for x
    x = 7,511,013,824.00/99,844.94
  6. Step 6: Final answer
    x = 75,226.78

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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.