Home / 102,394.24-141,286.92-57,062.28

Finding the Fourth Proportional to 102,394.24, 141,286.92 and 57,062.28

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Solution

The fourth proportional to 102,394.24, 141,286.92 and 57,062.28 is: 78,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,394.24 : 141,286.92 = 57,062.28 : x
  2. Step 2: Convert to fraction form
    102,394.24/141,286.92 = 57,062.28/x
  3. Step 3: Cross multiply
    102,394.24x = 141,286.92 × 57,062.28
  4. Step 4: Simplify right side
    102,394.24x = 8,062,153,789.38
  5. Step 5: Solve for x
    x = 8,062,153,789.38/102,394.24
  6. Step 6: Final answer
    x = 78,736.40

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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.