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Finding the Fourth Proportional to 209,825.25, 314,782.64 and 67,678.53

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Solution

The fourth proportional to 209,825.25, 314,782.64 and 67,678.53 is: 101,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,825.25 : 314,782.64 = 67,678.53 : x
  2. Step 2: Convert to fraction form
    209,825.25/314,782.64 = 67,678.53/x
  3. Step 3: Cross multiply
    209,825.25x = 314,782.64 × 67,678.53
  4. Step 4: Simplify right side
    209,825.25x = 21,304,026,513.92
  5. Step 5: Solve for x
    x = 21,304,026,513.92/209,825.25
  6. Step 6: Final answer
    x = 101,532.23

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