Home / 81,604.58-122,395.35-26,193.38

Finding the Fourth Proportional to 81,604.58, 122,395.35 and 26,193.38

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Solution

The fourth proportional to 81,604.58, 122,395.35 and 26,193.38 is: 39,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,604.58 : 122,395.35 = 26,193.38 : x
  2. Step 2: Convert to fraction form
    81,604.58/122,395.35 = 26,193.38/x
  3. Step 3: Cross multiply
    81,604.58x = 122,395.35 × 26,193.38
  4. Step 4: Simplify right side
    81,604.58x = 3,205,947,912.78
  5. Step 5: Solve for x
    x = 3,205,947,912.78/81,604.58
  6. Step 6: Final answer
    x = 39,286.37

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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.