Home / 238,629.23-329,299.91-131,198.43

Finding the Fourth Proportional to 238,629.23, 329,299.91 and 131,198.43

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Solution

The fourth proportional to 238,629.23, 329,299.91 and 131,198.43 is: 181,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,629.23 : 329,299.91 = 131,198.43 : x
  2. Step 2: Convert to fraction form
    238,629.23/329,299.91 = 131,198.43/x
  3. Step 3: Cross multiply
    238,629.23x = 329,299.91 × 131,198.43
  4. Step 4: Simplify right side
    238,629.23x = 43,203,631,519.14
  5. Step 5: Solve for x
    x = 43,203,631,519.14/238,629.23
  6. Step 6: Final answer
    x = 181,049.21

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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.