Home / 194,942.82-269,063.73-123,418.20

Finding the Fourth Proportional to 194,942.82, 269,063.73 and 123,418.20

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Solution

The fourth proportional to 194,942.82, 269,063.73 and 123,418.20 is: 170,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,942.82 : 269,063.73 = 123,418.20 : x
  2. Step 2: Convert to fraction form
    194,942.82/269,063.73 = 123,418.20/x
  3. Step 3: Cross multiply
    194,942.82x = 269,063.73 × 123,418.20
  4. Step 4: Simplify right side
    194,942.82x = 33,207,361,241.89
  5. Step 5: Solve for x
    x = 33,207,361,241.89/194,942.82
  6. Step 6: Final answer
    x = 170,344.11

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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.