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Finding the Fourth Proportional to 109,394.73, 150,973.61 and 61,651.31

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Solution

The fourth proportional to 109,394.73, 150,973.61 and 61,651.31 is: 85,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,394.73 : 150,973.61 = 61,651.31 : x
  2. Step 2: Convert to fraction form
    109,394.73/150,973.61 = 61,651.31/x
  3. Step 3: Cross multiply
    109,394.73x = 150,973.61 × 61,651.31
  4. Step 4: Simplify right side
    109,394.73x = 9,307,719,768.80
  5. Step 5: Solve for x
    x = 9,307,719,768.80/109,394.73
  6. Step 6: Final answer
    x = 85,083.80

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