Home / 195,555.32-269,868.43-120,103.82

Finding the Fourth Proportional to 195,555.32, 269,868.43 and 120,103.82

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Solution

The fourth proportional to 195,555.32, 269,868.43 and 120,103.82 is: 165,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,555.32 : 269,868.43 = 120,103.82 : x
  2. Step 2: Convert to fraction form
    195,555.32/269,868.43 = 120,103.82/x
  3. Step 3: Cross multiply
    195,555.32x = 269,868.43 × 120,103.82
  4. Step 4: Simplify right side
    195,555.32x = 32,412,229,340.40
  5. Step 5: Solve for x
    x = 32,412,229,340.40/195,555.32
  6. Step 6: Final answer
    x = 165,744.55

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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.