Home / 151,469.70-227,204.55-121,945.20

Finding the Fourth Proportional to 151,469.70, 227,204.55 and 121,945.20

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Solution

The fourth proportional to 151,469.70, 227,204.55 and 121,945.20 is: 182,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,469.70 : 227,204.55 = 121,945.20 : x
  2. Step 2: Convert to fraction form
    151,469.70/227,204.55 = 121,945.20/x
  3. Step 3: Cross multiply
    151,469.70x = 227,204.55 × 121,945.20
  4. Step 4: Simplify right side
    151,469.70x = 27,706,504,290.66
  5. Step 5: Solve for x
    x = 27,706,504,290.66/151,469.70
  6. Step 6: Final answer
    x = 182,917.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.