Home / 238,504.40-329,120.13-131,072.12

Finding the Fourth Proportional to 238,504.40, 329,120.13 and 131,072.12

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Solution

The fourth proportional to 238,504.40, 329,120.13 and 131,072.12 is: 180,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,504.40 : 329,120.13 = 131,072.12 : x
  2. Step 2: Convert to fraction form
    238,504.40/329,120.13 = 131,072.12/x
  3. Step 3: Cross multiply
    238,504.40x = 329,120.13 × 131,072.12
  4. Step 4: Simplify right side
    238,504.40x = 43,138,473,173.78
  5. Step 5: Solve for x
    x = 43,138,473,173.78/238,504.40
  6. Step 6: Final answer
    x = 180,870.76

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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.