Home / 185,954.56-278,814.96-135,371.68

Finding the Fourth Proportional to 185,954.56, 278,814.96 and 135,371.68

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Solution

The fourth proportional to 185,954.56, 278,814.96 and 135,371.68 is: 202,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,954.56 : 278,814.96 = 135,371.68 : x
  2. Step 2: Convert to fraction form
    185,954.56/278,814.96 = 135,371.68/x
  3. Step 3: Cross multiply
    185,954.56x = 278,814.96 × 135,371.68
  4. Step 4: Simplify right side
    185,954.56x = 37,743,649,544.33
  5. Step 5: Solve for x
    x = 37,743,649,544.33/185,954.56
  6. Step 6: Final answer
    x = 202,972.43

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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.