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Finding the Fourth Proportional to 109,093.42, 163,640.13 and 30,205.90

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Solution

The fourth proportional to 109,093.42, 163,640.13 and 30,205.90 is: 45,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,093.42 : 163,640.13 = 30,205.90 : x
  2. Step 2: Convert to fraction form
    109,093.42/163,640.13 = 30,205.90/x
  3. Step 3: Cross multiply
    109,093.42x = 163,640.13 × 30,205.90
  4. Step 4: Simplify right side
    109,093.42x = 4,942,897,402.77
  5. Step 5: Solve for x
    x = 4,942,897,402.77/109,093.42
  6. Step 6: Final answer
    x = 45,308.85

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