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Finding the Fourth Proportional to 116,786.77, 161,165.75 and 63,071.80

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Solution

The fourth proportional to 116,786.77, 161,165.75 and 63,071.80 is: 87,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,786.77 : 161,165.75 = 63,071.80 : x
  2. Step 2: Convert to fraction form
    116,786.77/161,165.75 = 63,071.80/x
  3. Step 3: Cross multiply
    116,786.77x = 161,165.75 × 63,071.80
  4. Step 4: Simplify right side
    116,786.77x = 10,165,013,232.58
  5. Step 5: Solve for x
    x = 10,165,013,232.58/116,786.77
  6. Step 6: Final answer
    x = 87,039.08

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