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Finding the Fourth Proportional to 208,943.45, 313,468.18 and 96,704.48

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Solution

The fourth proportional to 208,943.45, 313,468.18 and 96,704.48 is: 145,081.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,943.45 : 313,468.18 = 96,704.48 : x
  2. Step 2: Convert to fraction form
    208,943.45/313,468.18 = 96,704.48/x
  3. Step 3: Cross multiply
    208,943.45x = 313,468.18 × 96,704.48
  4. Step 4: Simplify right side
    208,943.45x = 30,313,777,885.36
  5. Step 5: Solve for x
    x = 30,313,777,885.36/208,943.45
  6. Step 6: Final answer
    x = 145,081.26

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