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Finding the Fourth Proportional to 149,309.86, 206,041.44 and 81,327.10

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Solution

The fourth proportional to 149,309.86, 206,041.44 and 81,327.10 is: 112,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,309.86 : 206,041.44 = 81,327.10 : x
  2. Step 2: Convert to fraction form
    149,309.86/206,041.44 = 81,327.10/x
  3. Step 3: Cross multiply
    149,309.86x = 206,041.44 × 81,327.10
  4. Step 4: Simplify right side
    149,309.86x = 16,756,752,795.02
  5. Step 5: Solve for x
    x = 16,756,752,795.02/149,309.86
  6. Step 6: Final answer
    x = 112,228.04

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