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Finding the Fourth Proportional to 100,628.60, 151,074.80 and 67,496.90

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Solution

The fourth proportional to 100,628.60, 151,074.80 and 67,496.90 is: 101,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,628.60 : 151,074.80 = 67,496.90 : x
  2. Step 2: Convert to fraction form
    100,628.60/151,074.80 = 67,496.90/x
  3. Step 3: Cross multiply
    100,628.60x = 151,074.80 × 67,496.90
  4. Step 4: Simplify right side
    100,628.60x = 10,197,080,668.12
  5. Step 5: Solve for x
    x = 10,197,080,668.12/100,628.60
  6. Step 6: Final answer
    x = 101,333.82

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