Home / 132,739.84-198,641.80-82,843.32

Finding the Fourth Proportional to 132,739.84, 198,641.80 and 82,843.32

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Solution

The fourth proportional to 132,739.84, 198,641.80 and 82,843.32 is: 123,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,739.84 : 198,641.80 = 82,843.32 : x
  2. Step 2: Convert to fraction form
    132,739.84/198,641.80 = 82,843.32/x
  3. Step 3: Cross multiply
    132,739.84x = 198,641.80 × 82,843.32
  4. Step 4: Simplify right side
    132,739.84x = 16,456,146,202.78
  5. Step 5: Solve for x
    x = 16,456,146,202.78/132,739.84
  6. Step 6: Final answer
    x = 123,972.92

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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.