Home / 268,976.10-371,189.58-148,121.66

Finding the Fourth Proportional to 268,976.10, 371,189.58 and 148,121.66

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Solution

The fourth proportional to 268,976.10, 371,189.58 and 148,121.66 is: 204,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,976.10 : 371,189.58 = 148,121.66 : x
  2. Step 2: Convert to fraction form
    268,976.10/371,189.58 = 148,121.66/x
  3. Step 3: Cross multiply
    268,976.10x = 371,189.58 × 148,121.66
  4. Step 4: Simplify right side
    268,976.10x = 54,981,216,764.30
  5. Step 5: Solve for x
    x = 54,981,216,764.30/268,976.10
  6. Step 6: Final answer
    x = 204,409.30

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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.