Home / 262,628.20-393,942.30-112,940.20

Finding the Fourth Proportional to 262,628.20, 393,942.30 and 112,940.20

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Solution

The fourth proportional to 262,628.20, 393,942.30 and 112,940.20 is: 169,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,628.20 : 393,942.30 = 112,940.20 : x
  2. Step 2: Convert to fraction form
    262,628.20/393,942.30 = 112,940.20/x
  3. Step 3: Cross multiply
    262,628.20x = 393,942.30 × 112,940.20
  4. Step 4: Simplify right side
    262,628.20x = 44,491,922,150.46
  5. Step 5: Solve for x
    x = 44,491,922,150.46/262,628.20
  6. Step 6: Final answer
    x = 169,410.30

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