Home / 158,974.76-219,395.42-91,013.73

Finding the Fourth Proportional to 158,974.76, 219,395.42 and 91,013.73

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Solution

The fourth proportional to 158,974.76, 219,395.42 and 91,013.73 is: 125,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,974.76 : 219,395.42 = 91,013.73 : x
  2. Step 2: Convert to fraction form
    158,974.76/219,395.42 = 91,013.73/x
  3. Step 3: Cross multiply
    158,974.76x = 219,395.42 × 91,013.73
  4. Step 4: Simplify right side
    158,974.76x = 19,967,995,064.05
  5. Step 5: Solve for x
    x = 19,967,995,064.05/158,974.76
  6. Step 6: Final answer
    x = 125,604.82

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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.