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Finding the Fourth Proportional to 98,297.37, 135,560.35 and 72,867.08

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Solution

The fourth proportional to 98,297.37, 135,560.35 and 72,867.08 is: 100,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,297.37 : 135,560.35 = 72,867.08 : x
  2. Step 2: Convert to fraction form
    98,297.37/135,560.35 = 72,867.08/x
  3. Step 3: Cross multiply
    98,297.37x = 135,560.35 × 72,867.08
  4. Step 4: Simplify right side
    98,297.37x = 9,877,887,265.44
  5. Step 5: Solve for x
    x = 9,877,887,265.44/98,297.37
  6. Step 6: Final answer
    x = 100,489.84

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