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Finding the Fourth Proportional to 107,998.80, 161,803.80 and 92,446.80

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Solution

The fourth proportional to 107,998.80, 161,803.80 and 92,446.80 is: 138,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,998.80 : 161,803.80 = 92,446.80 : x
  2. Step 2: Convert to fraction form
    107,998.80/161,803.80 = 92,446.80/x
  3. Step 3: Cross multiply
    107,998.80x = 161,803.80 × 92,446.80
  4. Step 4: Simplify right side
    107,998.80x = 14,958,243,537.84
  5. Step 5: Solve for x
    x = 14,958,243,537.84/107,998.80
  6. Step 6: Final answer
    x = 138,503.79

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