Home / 111,019.14-166,553.28-51,822.48

Finding the Fourth Proportional to 111,019.14, 166,553.28 and 51,822.48

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Solution

The fourth proportional to 111,019.14, 166,553.28 and 51,822.48 is: 77,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,019.14 : 166,553.28 = 51,822.48 : x
  2. Step 2: Convert to fraction form
    111,019.14/166,553.28 = 51,822.48/x
  3. Step 3: Cross multiply
    111,019.14x = 166,553.28 × 51,822.48
  4. Step 4: Simplify right side
    111,019.14x = 8,631,204,021.73
  5. Step 5: Solve for x
    x = 8,631,204,021.73/111,019.14
  6. Step 6: Final answer
    x = 77,745.19

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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.