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Finding the Fourth Proportional to 149,833.03, 206,775.86 and 86,170.87

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Solution

The fourth proportional to 149,833.03, 206,775.86 and 86,170.87 is: 118,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,833.03 : 206,775.86 = 86,170.87 : x
  2. Step 2: Convert to fraction form
    149,833.03/206,775.86 = 86,170.87/x
  3. Step 3: Cross multiply
    149,833.03x = 206,775.86 × 86,170.87
  4. Step 4: Simplify right side
    149,833.03x = 17,818,055,751.20
  5. Step 5: Solve for x
    x = 17,818,055,751.20/149,833.03
  6. Step 6: Final answer
    x = 118,919.41

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