Home / 203,982.30-305,661.60-137,175.12

Finding the Fourth Proportional to 203,982.30, 305,661.60 and 137,175.12

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Solution

The fourth proportional to 203,982.30, 305,661.60 and 137,175.12 is: 205,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,982.30 : 305,661.60 = 137,175.12 : x
  2. Step 2: Convert to fraction form
    203,982.30/305,661.60 = 137,175.12/x
  3. Step 3: Cross multiply
    203,982.30x = 305,661.60 × 137,175.12
  4. Step 4: Simplify right side
    203,982.30x = 41,929,166,659.39
  5. Step 5: Solve for x
    x = 41,929,166,659.39/203,982.30
  6. Step 6: Final answer
    x = 205,552.97

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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.