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Finding the Fourth Proportional to 104,521.20, 156,796.20 and 45,355.20

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Solution

The fourth proportional to 104,521.20, 156,796.20 and 45,355.20 is: 68,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,521.20 : 156,796.20 = 45,355.20 : x
  2. Step 2: Convert to fraction form
    104,521.20/156,796.20 = 45,355.20/x
  3. Step 3: Cross multiply
    104,521.20x = 156,796.20 × 45,355.20
  4. Step 4: Simplify right side
    104,521.20x = 7,111,523,010.24
  5. Step 5: Solve for x
    x = 7,111,523,010.24/104,521.20
  6. Step 6: Final answer
    x = 68,039.05

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