Home / 238,580.73-329,245.51-131,155.29

Finding the Fourth Proportional to 238,580.73, 329,245.51 and 131,155.29

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Solution

The fourth proportional to 238,580.73, 329,245.51 and 131,155.29 is: 180,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,580.73 : 329,245.51 = 131,155.29 : x
  2. Step 2: Convert to fraction form
    238,580.73/329,245.51 = 131,155.29/x
  3. Step 3: Cross multiply
    238,580.73x = 329,245.51 × 131,155.29
  4. Step 4: Simplify right side
    238,580.73x = 43,182,290,345.25
  5. Step 5: Solve for x
    x = 43,182,290,345.25/238,580.73
  6. Step 6: Final answer
    x = 180,996.56

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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.