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Finding the Fourth Proportional to 109,553.01, 164,397.56 and 70,138.41

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Solution

The fourth proportional to 109,553.01, 164,397.56 and 70,138.41 is: 105,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,553.01 : 164,397.56 = 70,138.41 : x
  2. Step 2: Convert to fraction form
    109,553.01/164,397.56 = 70,138.41/x
  3. Step 3: Cross multiply
    109,553.01x = 164,397.56 × 70,138.41
  4. Step 4: Simplify right side
    109,553.01x = 11,530,583,115.59
  5. Step 5: Solve for x
    x = 11,530,583,115.59/109,553.01
  6. Step 6: Final answer
    x = 105,251.18

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