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Finding the Fourth Proportional to 117,302.28, 161,772.54 and 91,467.14

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Solution

The fourth proportional to 117,302.28, 161,772.54 and 91,467.14 is: 126,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,302.28 : 161,772.54 = 91,467.14 : x
  2. Step 2: Convert to fraction form
    117,302.28/161,772.54 = 91,467.14/x
  3. Step 3: Cross multiply
    117,302.28x = 161,772.54 × 91,467.14
  4. Step 4: Simplify right side
    117,302.28x = 14,796,871,564.34
  5. Step 5: Solve for x
    x = 14,796,871,564.34/117,302.28
  6. Step 6: Final answer
    x = 126,143.09

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