Home / 187,974.86-281,672.03-126,945.94

Finding the Fourth Proportional to 187,974.86, 281,672.03 and 126,945.94

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Solution

The fourth proportional to 187,974.86, 281,672.03 and 126,945.94 is: 190,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,974.86 : 281,672.03 = 126,945.94 : x
  2. Step 2: Convert to fraction form
    187,974.86/281,672.03 = 126,945.94/x
  3. Step 3: Cross multiply
    187,974.86x = 281,672.03 × 126,945.94
  4. Step 4: Simplify right side
    187,974.86x = 35,757,120,620.06
  5. Step 5: Solve for x
    x = 35,757,120,620.06/187,974.86
  6. Step 6: Final answer
    x = 190,222.89

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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.