Home / 99,974.30-137,964.81-54,652.82

Finding the Fourth Proportional to 99,974.30, 137,964.81 and 54,652.82

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Solution

The fourth proportional to 99,974.30, 137,964.81 and 54,652.82 is: 75,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,974.30 : 137,964.81 = 54,652.82 : x
  2. Step 2: Convert to fraction form
    99,974.30/137,964.81 = 54,652.82/x
  3. Step 3: Cross multiply
    99,974.30x = 137,964.81 × 54,652.82
  4. Step 4: Simplify right side
    99,974.30x = 7,540,165,654.00
  5. Step 5: Solve for x
    x = 7,540,165,654.00/99,974.30
  6. Step 6: Final answer
    x = 75,421.04

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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.