Home / 238,504.92-329,133-131,072.64

Finding the Fourth Proportional to 238,504.92, 329,133 and 131,072.64

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Solution

The fourth proportional to 238,504.92, 329,133 and 131,072.64 is: 180,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,504.92 : 329,133 = 131,072.64 : x
  2. Step 2: Convert to fraction form
    238,504.92/329,133 = 131,072.64/x
  3. Step 3: Cross multiply
    238,504.92x = 329,133 × 131,072.64
  4. Step 4: Simplify right side
    238,504.92x = 43,140,331,221.12
  5. Step 5: Solve for x
    x = 43,140,331,221.12/238,504.92
  6. Step 6: Final answer
    x = 180,878.16

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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.