Home / 203,910.09-281,332.42-117,837.71

Finding the Fourth Proportional to 203,910.09, 281,332.42 and 117,837.71

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Solution

The fourth proportional to 203,910.09, 281,332.42 and 117,837.71 is: 162,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,910.09 : 281,332.42 = 117,837.71 : x
  2. Step 2: Convert to fraction form
    203,910.09/281,332.42 = 117,837.71/x
  3. Step 3: Cross multiply
    203,910.09x = 281,332.42 × 117,837.71
  4. Step 4: Simplify right side
    203,910.09x = 33,151,568,121.56
  5. Step 5: Solve for x
    x = 33,151,568,121.56/203,910.09
  6. Step 6: Final answer
    x = 162,579.34

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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.