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Finding the Fourth Proportional to 113,089.80, 169,634.70 and 73,691.40

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Solution

The fourth proportional to 113,089.80, 169,634.70 and 73,691.40 is: 110,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,089.80 : 169,634.70 = 73,691.40 : x
  2. Step 2: Convert to fraction form
    113,089.80/169,634.70 = 73,691.40/x
  3. Step 3: Cross multiply
    113,089.80x = 169,634.70 × 73,691.40
  4. Step 4: Simplify right side
    113,089.80x = 12,500,618,531.58
  5. Step 5: Solve for x
    x = 12,500,618,531.58/113,089.80
  6. Step 6: Final answer
    x = 110,537.10

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