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Finding the Fourth Proportional to 149,772.95, 206,669.67 and 86,131.25

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Solution

The fourth proportional to 149,772.95, 206,669.67 and 86,131.25 is: 118,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,772.95 : 206,669.67 = 86,131.25 : x
  2. Step 2: Convert to fraction form
    149,772.95/206,669.67 = 86,131.25/x
  3. Step 3: Cross multiply
    149,772.95x = 206,669.67 × 86,131.25
  4. Step 4: Simplify right side
    149,772.95x = 17,800,717,014.19
  5. Step 5: Solve for x
    x = 17,800,717,014.19/149,772.95
  6. Step 6: Final answer
    x = 118,851.35

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