Home / 269,747.40-372,195.83-155,003.87

Finding the Fourth Proportional to 269,747.40, 372,195.83 and 155,003.87

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Solution

The fourth proportional to 269,747.40, 372,195.83 and 155,003.87 is: 213,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,747.40 : 372,195.83 = 155,003.87 : x
  2. Step 2: Convert to fraction form
    269,747.40/372,195.83 = 155,003.87/x
  3. Step 3: Cross multiply
    269,747.40x = 372,195.83 × 155,003.87
  4. Step 4: Simplify right side
    269,747.40x = 57,691,794,047.86
  5. Step 5: Solve for x
    x = 57,691,794,047.86/269,747.40
  6. Step 6: Final answer
    x = 213,873.40

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1.5x scale

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.