Home / 269,747.34-372,195.74-155,003.81

Finding the Fourth Proportional to 269,747.34, 372,195.74 and 155,003.81

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Solution

The fourth proportional to 269,747.34, 372,195.74 and 155,003.81 is: 213,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,747.34 : 372,195.74 = 155,003.81 : x
  2. Step 2: Convert to fraction form
    269,747.34/372,195.74 = 155,003.81/x
  3. Step 3: Cross multiply
    269,747.34x = 372,195.74 × 155,003.81
  4. Step 4: Simplify right side
    269,747.34x = 57,691,757,688.03
  5. Step 5: Solve for x
    x = 57,691,757,688.03/269,747.34
  6. Step 6: Final answer
    x = 213,873.31

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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.