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Finding the Fourth Proportional to 167,539.10, 251,353.20 and 72,728.60

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Solution

The fourth proportional to 167,539.10, 251,353.20 and 72,728.60 is: 109,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,539.10 : 251,353.20 = 72,728.60 : x
  2. Step 2: Convert to fraction form
    167,539.10/251,353.20 = 72,728.60/x
  3. Step 3: Cross multiply
    167,539.10x = 251,353.20 × 72,728.60
  4. Step 4: Simplify right side
    167,539.10x = 18,280,566,341.52
  5. Step 5: Solve for x
    x = 18,280,566,341.52/167,539.10
  6. Step 6: Final answer
    x = 109,112.24

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