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Finding the Fourth Proportional to 149,508.48, 206,320.20 and 81,525.29

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Solution

The fourth proportional to 149,508.48, 206,320.20 and 81,525.29 is: 112,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,508.48 : 206,320.20 = 81,525.29 : x
  2. Step 2: Convert to fraction form
    149,508.48/206,320.20 = 81,525.29/x
  3. Step 3: Cross multiply
    149,508.48x = 206,320.20 × 81,525.29
  4. Step 4: Simplify right side
    149,508.48x = 16,820,313,106.26
  5. Step 5: Solve for x
    x = 16,820,313,106.26/149,508.48
  6. Step 6: Final answer
    x = 112,504.07

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