Home / 231,954.30-320,091.50-136,467.13

Finding the Fourth Proportional to 231,954.30, 320,091.50 and 136,467.13

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Solution

The fourth proportional to 231,954.30, 320,091.50 and 136,467.13 is: 188,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,954.30 : 320,091.50 = 136,467.13 : x
  2. Step 2: Convert to fraction form
    231,954.30/320,091.50 = 136,467.13/x
  3. Step 3: Cross multiply
    231,954.30x = 320,091.50 × 136,467.13
  4. Step 4: Simplify right side
    231,954.30x = 43,681,967,660.06
  5. Step 5: Solve for x
    x = 43,681,967,660.06/231,954.30
  6. Step 6: Final answer
    x = 188,321.44

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1.5x scale

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.