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Finding the Fourth Proportional to 135,280.66, 186,682.80 and 74,851.42

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Solution

The fourth proportional to 135,280.66, 186,682.80 and 74,851.42 is: 103,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,280.66 : 186,682.80 = 74,851.42 : x
  2. Step 2: Convert to fraction form
    135,280.66/186,682.80 = 74,851.42/x
  3. Step 3: Cross multiply
    135,280.66x = 186,682.80 × 74,851.42
  4. Step 4: Simplify right side
    135,280.66x = 13,973,472,669.58
  5. Step 5: Solve for x
    x = 13,973,472,669.58/135,280.66
  6. Step 6: Final answer
    x = 103,292.46

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