Home / 135,706.38-203,369.94-115,611.18

Finding the Fourth Proportional to 135,706.38, 203,369.94 and 115,611.18

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Solution

The fourth proportional to 135,706.38, 203,369.94 and 115,611.18 is: 173,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,706.38 : 203,369.94 = 115,611.18 : x
  2. Step 2: Convert to fraction form
    135,706.38/203,369.94 = 115,611.18/x
  3. Step 3: Cross multiply
    135,706.38x = 203,369.94 × 115,611.18
  4. Step 4: Simplify right side
    135,706.38x = 23,511,838,739.93
  5. Step 5: Solve for x
    x = 23,511,838,739.93/135,706.38
  6. Step 6: Final answer
    x = 173,255.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.