Home / 195,555.57-269,868.78-120,104.07

Finding the Fourth Proportional to 195,555.57, 269,868.78 and 120,104.07

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Solution

The fourth proportional to 195,555.57, 269,868.78 and 120,104.07 is: 165,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,555.57 : 269,868.78 = 120,104.07 : x
  2. Step 2: Convert to fraction form
    195,555.57/269,868.78 = 120,104.07/x
  3. Step 3: Cross multiply
    195,555.57x = 269,868.78 × 120,104.07
  4. Step 4: Simplify right side
    195,555.57x = 32,412,338,243.41
  5. Step 5: Solve for x
    x = 32,412,338,243.41/195,555.57
  6. Step 6: Final answer
    x = 165,744.90

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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.