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Finding the Fourth Proportional to 220,874.40, 331,311.60 and 73,130.40

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Solution

The fourth proportional to 220,874.40, 331,311.60 and 73,130.40 is: 109,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,874.40 : 331,311.60 = 73,130.40 : x
  2. Step 2: Convert to fraction form
    220,874.40/331,311.60 = 73,130.40/x
  3. Step 3: Cross multiply
    220,874.40x = 331,311.60 × 73,130.40
  4. Step 4: Simplify right side
    220,874.40x = 24,228,949,832.64
  5. Step 5: Solve for x
    x = 24,228,949,832.64/220,874.40
  6. Step 6: Final answer
    x = 109,695.60

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