Home / 203,804.20-281,267.58-113,177.80

Finding the Fourth Proportional to 203,804.20, 281,267.58 and 113,177.80

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Solution

The fourth proportional to 203,804.20, 281,267.58 and 113,177.80 is: 156,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,804.20 : 281,267.58 = 113,177.80 : x
  2. Step 2: Convert to fraction form
    203,804.20/281,267.58 = 113,177.80/x
  3. Step 3: Cross multiply
    203,804.20x = 281,267.58 × 113,177.80
  4. Step 4: Simplify right side
    203,804.20x = 31,833,245,915.72
  5. Step 5: Solve for x
    x = 31,833,245,915.72/203,804.20
  6. Step 6: Final answer
    x = 156,195.24

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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.