Home / 203,910.20-281,332.59-117,837.82

Finding the Fourth Proportional to 203,910.20, 281,332.59 and 117,837.82

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Solution

The fourth proportional to 203,910.20, 281,332.59 and 117,837.82 is: 162,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,910.20 : 281,332.59 = 117,837.82 : x
  2. Step 2: Convert to fraction form
    203,910.20/281,332.59 = 117,837.82/x
  3. Step 3: Cross multiply
    203,910.20x = 281,332.59 × 117,837.82
  4. Step 4: Simplify right side
    203,910.20x = 33,151,619,010.33
  5. Step 5: Solve for x
    x = 33,151,619,010.33/203,910.20
  6. Step 6: Final answer
    x = 162,579.50

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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.