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Finding the Fourth Proportional to 132,513.05, 198,694.04 and 90,444.06

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Solution

The fourth proportional to 132,513.05, 198,694.04 and 90,444.06 is: 135,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,513.05 : 198,694.04 = 90,444.06 : x
  2. Step 2: Convert to fraction form
    132,513.05/198,694.04 = 90,444.06/x
  3. Step 3: Cross multiply
    132,513.05x = 198,694.04 × 90,444.06
  4. Step 4: Simplify right side
    132,513.05x = 17,970,695,675.40
  5. Step 5: Solve for x
    x = 17,970,695,675.40/132,513.05
  6. Step 6: Final answer
    x = 135,614.54

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