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Finding the Fourth Proportional to 257,192.46, 354,917.57 and 142,466.49

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Solution

The fourth proportional to 257,192.46, 354,917.57 and 142,466.49 is: 196,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,192.46 : 354,917.57 = 142,466.49 : x
  2. Step 2: Convert to fraction form
    257,192.46/354,917.57 = 142,466.49/x
  3. Step 3: Cross multiply
    257,192.46x = 354,917.57 × 142,466.49
  4. Step 4: Simplify right side
    257,192.46x = 50,563,859,724.90
  5. Step 5: Solve for x
    x = 50,563,859,724.90/257,192.46
  6. Step 6: Final answer
    x = 196,599.31

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