Home / 204,252.87-306,387.54-71,146.59

Finding the Fourth Proportional to 204,252.87, 306,387.54 and 71,146.59

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Solution

The fourth proportional to 204,252.87, 306,387.54 and 71,146.59 is: 106,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,252.87 : 306,387.54 = 71,146.59 : x
  2. Step 2: Convert to fraction form
    204,252.87/306,387.54 = 71,146.59/x
  3. Step 3: Cross multiply
    204,252.87x = 306,387.54 × 71,146.59
  4. Step 4: Simplify right side
    204,252.87x = 21,798,428,689.49
  5. Step 5: Solve for x
    x = 21,798,428,689.49/204,252.87
  6. Step 6: Final answer
    x = 106,722.75

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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.