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Finding the Fourth Proportional to 203,311.44, 280,570.44 and 112,668.90

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Solution

The fourth proportional to 203,311.44, 280,570.44 and 112,668.90 is: 155,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,311.44 : 280,570.44 = 112,668.90 : x
  2. Step 2: Convert to fraction form
    203,311.44/280,570.44 = 112,668.90/x
  3. Step 3: Cross multiply
    203,311.44x = 280,570.44 × 112,668.90
  4. Step 4: Simplify right side
    203,311.44x = 31,611,562,847.32
  5. Step 5: Solve for x
    x = 31,611,562,847.32/203,311.44
  6. Step 6: Final answer
    x = 155,483.44

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