Home / 192,843.70-266,092.62-121,172.96

Finding the Fourth Proportional to 192,843.70, 266,092.62 and 121,172.96

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Solution

The fourth proportional to 192,843.70, 266,092.62 and 121,172.96 is: 167,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,843.70 : 266,092.62 = 121,172.96 : x
  2. Step 2: Convert to fraction form
    192,843.70/266,092.62 = 121,172.96/x
  3. Step 3: Cross multiply
    192,843.70x = 266,092.62 × 121,172.96
  4. Step 4: Simplify right side
    192,843.70x = 32,243,230,399.56
  5. Step 5: Solve for x
    x = 32,243,230,399.56/192,843.70
  6. Step 6: Final answer
    x = 167,198.77

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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.