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Finding the Fourth Proportional to 117,269.45, 161,839.94 and 71,347.01

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Solution

The fourth proportional to 117,269.45, 161,839.94 and 71,347.01 is: 98,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,269.45 : 161,839.94 = 71,347.01 : x
  2. Step 2: Convert to fraction form
    117,269.45/161,839.94 = 71,347.01/x
  3. Step 3: Cross multiply
    117,269.45x = 161,839.94 × 71,347.01
  4. Step 4: Simplify right side
    117,269.45x = 11,546,795,460.84
  5. Step 5: Solve for x
    x = 11,546,795,460.84/117,269.45
  6. Step 6: Final answer
    x = 98,463.80

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