Home / 231,954.42-320,091.67-136,467.26

Finding the Fourth Proportional to 231,954.42, 320,091.67 and 136,467.26

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Solution

The fourth proportional to 231,954.42, 320,091.67 and 136,467.26 is: 188,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,954.42 : 320,091.67 = 136,467.26 : x
  2. Step 2: Convert to fraction form
    231,954.42/320,091.67 = 136,467.26/x
  3. Step 3: Cross multiply
    231,954.42x = 320,091.67 × 136,467.26
  4. Step 4: Simplify right side
    231,954.42x = 43,682,031,212.10
  5. Step 5: Solve for x
    x = 43,682,031,212.10/231,954.42
  6. Step 6: Final answer
    x = 188,321.62

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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.