Home / 158,991.30-219,360.12-95,305.86

Finding the Fourth Proportional to 158,991.30, 219,360.12 and 95,305.86

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Solution

The fourth proportional to 158,991.30, 219,360.12 and 95,305.86 is: 131,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,991.30 : 219,360.12 = 95,305.86 : x
  2. Step 2: Convert to fraction form
    158,991.30/219,360.12 = 95,305.86/x
  3. Step 3: Cross multiply
    158,991.30x = 219,360.12 × 95,305.86
  4. Step 4: Simplify right side
    158,991.30x = 20,906,304,886.30
  5. Step 5: Solve for x
    x = 20,906,304,886.30/158,991.30
  6. Step 6: Final answer
    x = 131,493.39

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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.