Home / 238,541.76-329,171.04-131,109.12

Finding the Fourth Proportional to 238,541.76, 329,171.04 and 131,109.12

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Solution

The fourth proportional to 238,541.76, 329,171.04 and 131,109.12 is: 180,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,541.76 : 329,171.04 = 131,109.12 : x
  2. Step 2: Convert to fraction form
    238,541.76/329,171.04 = 131,109.12/x
  3. Step 3: Cross multiply
    238,541.76x = 329,171.04 × 131,109.12
  4. Step 4: Simplify right side
    238,541.76x = 43,157,325,383.88
  5. Step 5: Solve for x
    x = 43,157,325,383.88/238,541.76
  6. Step 6: Final answer
    x = 180,921.47

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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.