Home / 238,563.49-329,213.92-131,131.21

Finding the Fourth Proportional to 238,563.49, 329,213.92 and 131,131.21

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Solution

The fourth proportional to 238,563.49, 329,213.92 and 131,131.21 is: 180,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,563.49 : 329,213.92 = 131,131.21 : x
  2. Step 2: Convert to fraction form
    238,563.49/329,213.92 = 131,131.21/x
  3. Step 3: Cross multiply
    238,563.49x = 329,213.92 × 131,131.21
  4. Step 4: Simplify right side
    238,563.49x = 43,170,219,678.44
  5. Step 5: Solve for x
    x = 43,170,219,678.44/238,563.49
  6. Step 6: Final answer
    x = 180,959.04

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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.