Home / 269,795.09-372,317.78-148,936.54

Finding the Fourth Proportional to 269,795.09, 372,317.78 and 148,936.54

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Solution

The fourth proportional to 269,795.09, 372,317.78 and 148,936.54 is: 205,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,795.09 : 372,317.78 = 148,936.54 : x
  2. Step 2: Convert to fraction form
    269,795.09/372,317.78 = 148,936.54/x
  3. Step 3: Cross multiply
    269,795.09x = 372,317.78 × 148,936.54
  4. Step 4: Simplify right side
    269,795.09x = 55,451,721,933.68
  5. Step 5: Solve for x
    x = 55,451,721,933.68/269,795.09
  6. Step 6: Final answer
    x = 205,532.73

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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.