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Finding the Fourth Proportional to 208,039.24, 312,091.26 and 67,765.24

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Solution

The fourth proportional to 208,039.24, 312,091.26 and 67,765.24 is: 101,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,039.24 : 312,091.26 = 67,765.24 : x
  2. Step 2: Convert to fraction form
    208,039.24/312,091.26 = 67,765.24/x
  3. Step 3: Cross multiply
    208,039.24x = 312,091.26 × 67,765.24
  4. Step 4: Simplify right side
    208,039.24x = 21,148,939,135.80
  5. Step 5: Solve for x
    x = 21,148,939,135.80/208,039.24
  6. Step 6: Final answer
    x = 101,658.41

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