Home / 269,757.15-372,273.89-147,256.80

Finding the Fourth Proportional to 269,757.15, 372,273.89 and 147,256.80

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Solution

The fourth proportional to 269,757.15, 372,273.89 and 147,256.80 is: 203,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,757.15 : 372,273.89 = 147,256.80 : x
  2. Step 2: Convert to fraction form
    269,757.15/372,273.89 = 147,256.80/x
  3. Step 3: Cross multiply
    269,757.15x = 372,273.89 × 147,256.80
  4. Step 4: Simplify right side
    269,757.15x = 54,819,861,028.67
  5. Step 5: Solve for x
    x = 54,819,861,028.67/269,757.15
  6. Step 6: Final answer
    x = 203,219.31

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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.