Home / 204,625.38-306,938.67-71,505.66

Finding the Fourth Proportional to 204,625.38, 306,938.67 and 71,505.66

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Solution

The fourth proportional to 204,625.38, 306,938.67 and 71,505.66 is: 107,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,625.38 : 306,938.67 = 71,505.66 : x
  2. Step 2: Convert to fraction form
    204,625.38/306,938.67 = 71,505.66/x
  3. Step 3: Cross multiply
    204,625.38x = 306,938.67 × 71,505.66
  4. Step 4: Simplify right side
    204,625.38x = 21,947,852,177.87
  5. Step 5: Solve for x
    x = 21,947,852,177.87/204,625.38
  6. Step 6: Final answer
    x = 107,258.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.