Home / 238,704.75-329,405.97-131,274.78

Finding the Fourth Proportional to 238,704.75, 329,405.97 and 131,274.78

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Solution

The fourth proportional to 238,704.75, 329,405.97 and 131,274.78 is: 181,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,704.75 : 329,405.97 = 131,274.78 : x
  2. Step 2: Convert to fraction form
    238,704.75/329,405.97 = 131,274.78/x
  3. Step 3: Cross multiply
    238,704.75x = 329,405.97 × 131,274.78
  4. Step 4: Simplify right side
    238,704.75x = 43,242,696,242.44
  5. Step 5: Solve for x
    x = 43,242,696,242.44/238,704.75
  6. Step 6: Final answer
    x = 181,155.58

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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.