Home / 269,621.89-372,079.41-148,763.13

Finding the Fourth Proportional to 269,621.89, 372,079.41 and 148,763.13

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Solution

The fourth proportional to 269,621.89, 372,079.41 and 148,763.13 is: 205,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,621.89 : 372,079.41 = 148,763.13 : x
  2. Step 2: Convert to fraction form
    269,621.89/372,079.41 = 148,763.13/x
  3. Step 3: Cross multiply
    269,621.89x = 372,079.41 × 148,763.13
  4. Step 4: Simplify right side
    269,621.89x = 55,351,697,640.15
  5. Step 5: Solve for x
    x = 55,351,697,640.15/269,621.89
  6. Step 6: Final answer
    x = 205,293.78

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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.