Home / 226,789.72-340,086.24-68,981.76

Finding the Fourth Proportional to 226,789.72, 340,086.24 and 68,981.76

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Solution

The fourth proportional to 226,789.72, 340,086.24 and 68,981.76 is: 103,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,789.72 : 340,086.24 = 68,981.76 : x
  2. Step 2: Convert to fraction form
    226,789.72/340,086.24 = 68,981.76/x
  3. Step 3: Cross multiply
    226,789.72x = 340,086.24 × 68,981.76
  4. Step 4: Simplify right side
    226,789.72x = 23,459,747,386.98
  5. Step 5: Solve for x
    x = 23,459,747,386.98/226,789.72
  6. Step 6: Final answer
    x = 103,442.73

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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.