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Finding the Fourth Proportional to 107,918.96, 148,942.82 and 61,996.55

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Solution

The fourth proportional to 107,918.96, 148,942.82 and 61,996.55 is: 85,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,918.96 : 148,942.82 = 61,996.55 : x
  2. Step 2: Convert to fraction form
    107,918.96/148,942.82 = 61,996.55/x
  3. Step 3: Cross multiply
    107,918.96x = 148,942.82 × 61,996.55
  4. Step 4: Simplify right side
    107,918.96x = 9,233,940,677.29
  5. Step 5: Solve for x
    x = 9,233,940,677.29/107,918.96
  6. Step 6: Final answer
    x = 85,563.66

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