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Finding the Fourth Proportional to 148,713.60, 205,224.90 and 80,730.48

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Solution

The fourth proportional to 148,713.60, 205,224.90 and 80,730.48 is: 111,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,713.60 : 205,224.90 = 80,730.48 : x
  2. Step 2: Convert to fraction form
    148,713.60/205,224.90 = 80,730.48/x
  3. Step 3: Cross multiply
    148,713.60x = 205,224.90 × 80,730.48
  4. Step 4: Simplify right side
    148,713.60x = 16,567,904,684.95
  5. Step 5: Solve for x
    x = 16,567,904,684.95/148,713.60
  6. Step 6: Final answer
    x = 111,408.13

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