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Finding the Fourth Proportional to 97,885.84, 135,138.42 and 64,449.04

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Solution

The fourth proportional to 97,885.84, 135,138.42 and 64,449.04 is: 88,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,885.84 : 135,138.42 = 64,449.04 : x
  2. Step 2: Convert to fraction form
    97,885.84/135,138.42 = 64,449.04/x
  3. Step 3: Cross multiply
    97,885.84x = 135,138.42 × 64,449.04
  4. Step 4: Simplify right side
    97,885.84x = 8,709,541,436.12
  5. Step 5: Solve for x
    x = 8,709,541,436.12/97,885.84
  6. Step 6: Final answer
    x = 88,976.52

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