Home / 221,868.82-332,704.59-137,625.58

Finding the Fourth Proportional to 221,868.82, 332,704.59 and 137,625.58

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Solution

The fourth proportional to 221,868.82, 332,704.59 and 137,625.58 is: 206,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,868.82 : 332,704.59 = 137,625.58 : x
  2. Step 2: Convert to fraction form
    221,868.82/332,704.59 = 137,625.58/x
  3. Step 3: Cross multiply
    221,868.82x = 332,704.59 × 137,625.58
  4. Step 4: Simplify right side
    221,868.82x = 45,788,662,167.41
  5. Step 5: Solve for x
    x = 45,788,662,167.41/221,868.82
  6. Step 6: Final answer
    x = 206,377.18

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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.