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Finding the Fourth Proportional to 100,964.20, 151,446.30 and 48,346.60

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Solution

The fourth proportional to 100,964.20, 151,446.30 and 48,346.60 is: 72,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,964.20 : 151,446.30 = 48,346.60 : x
  2. Step 2: Convert to fraction form
    100,964.20/151,446.30 = 48,346.60/x
  3. Step 3: Cross multiply
    100,964.20x = 151,446.30 × 48,346.60
  4. Step 4: Simplify right side
    100,964.20x = 7,321,913,687.58
  5. Step 5: Solve for x
    x = 7,321,913,687.58/100,964.20
  6. Step 6: Final answer
    x = 72,519.90

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