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Finding the Fourth Proportional to 208,669.92, 313,048.44 and 68,417.52

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Solution

The fourth proportional to 208,669.92, 313,048.44 and 68,417.52 is: 102,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,669.92 : 313,048.44 = 68,417.52 : x
  2. Step 2: Convert to fraction form
    208,669.92/313,048.44 = 68,417.52/x
  3. Step 3: Cross multiply
    208,669.92x = 313,048.44 × 68,417.52
  4. Step 4: Simplify right side
    208,669.92x = 21,417,997,904.67
  5. Step 5: Solve for x
    x = 21,417,997,904.67/208,669.92
  6. Step 6: Final answer
    x = 102,640.56

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