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Finding the Fourth Proportional to 117,549.52, 162,172.20 and 67,221.52

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Solution

The fourth proportional to 117,549.52, 162,172.20 and 67,221.52 is: 92,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,549.52 : 162,172.20 = 67,221.52 : x
  2. Step 2: Convert to fraction form
    117,549.52/162,172.20 = 67,221.52/x
  3. Step 3: Cross multiply
    117,549.52x = 162,172.20 × 67,221.52
  4. Step 4: Simplify right side
    117,549.52x = 10,901,461,785.74
  5. Step 5: Solve for x
    x = 10,901,461,785.74/117,549.52
  6. Step 6: Final answer
    x = 92,739.31

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