Home / 203,704.40-281,107.82-113,055.04

Finding the Fourth Proportional to 203,704.40, 281,107.82 and 113,055.04

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Solution

The fourth proportional to 203,704.40, 281,107.82 and 113,055.04 is: 156,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,704.40 : 281,107.82 = 113,055.04 : x
  2. Step 2: Convert to fraction form
    203,704.40/281,107.82 = 113,055.04/x
  3. Step 3: Cross multiply
    203,704.40x = 281,107.82 × 113,055.04
  4. Step 4: Simplify right side
    203,704.40x = 31,780,655,834.41
  5. Step 5: Solve for x
    x = 31,780,655,834.41/203,704.40
  6. Step 6: Final answer
    x = 156,013.60

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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.