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Finding the Fourth Proportional to 112,076.80, 167,967.60 and 82,355.20

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Solution

The fourth proportional to 112,076.80, 167,967.60 and 82,355.20 is: 123,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,076.80 : 167,967.60 = 82,355.20 : x
  2. Step 2: Convert to fraction form
    112,076.80/167,967.60 = 82,355.20/x
  3. Step 3: Cross multiply
    112,076.80x = 167,967.60 × 82,355.20
  4. Step 4: Simplify right side
    112,076.80x = 13,833,005,291.52
  5. Step 5: Solve for x
    x = 13,833,005,291.52/112,076.80
  6. Step 6: Final answer
    x = 123,424.34

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