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Finding the Fourth Proportional to 203,951.45, 305,895.54 and 104,185.37

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Solution

The fourth proportional to 203,951.45, 305,895.54 and 104,185.37 is: 156,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,951.45 : 305,895.54 = 104,185.37 : x
  2. Step 2: Convert to fraction form
    203,951.45/305,895.54 = 104,185.37/x
  3. Step 3: Cross multiply
    203,951.45x = 305,895.54 × 104,185.37
  4. Step 4: Simplify right side
    203,951.45x = 31,869,840,016.25
  5. Step 5: Solve for x
    x = 31,869,840,016.25/203,951.45
  6. Step 6: Final answer
    x = 156,261.89

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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.