Home / 203,909.09-281,331.05-117,836.71

Finding the Fourth Proportional to 203,909.09, 281,331.05 and 117,836.71

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Solution

The fourth proportional to 203,909.09, 281,331.05 and 117,836.71 is: 162,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,909.09 : 281,331.05 = 117,836.71 : x
  2. Step 2: Convert to fraction form
    203,909.09/281,331.05 = 117,836.71/x
  3. Step 3: Cross multiply
    203,909.09x = 281,331.05 × 117,836.71
  4. Step 4: Simplify right side
    203,909.09x = 33,151,124,060.33
  5. Step 5: Solve for x
    x = 33,151,124,060.33/203,909.09
  6. Step 6: Final answer
    x = 162,577.96

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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.