Home / 226,108.37-339,159.04-76,453.76

Finding the Fourth Proportional to 226,108.37, 339,159.04 and 76,453.76

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Solution

The fourth proportional to 226,108.37, 339,159.04 and 76,453.76 is: 114,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,108.37 : 339,159.04 = 76,453.76 : x
  2. Step 2: Convert to fraction form
    226,108.37/339,159.04 = 76,453.76/x
  3. Step 3: Cross multiply
    226,108.37x = 339,159.04 × 76,453.76
  4. Step 4: Simplify right side
    226,108.37x = 25,929,981,767.93
  5. Step 5: Solve for x
    x = 25,929,981,767.93/226,108.37
  6. Step 6: Final answer
    x = 114,679.44

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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.