Home / 166,136.71-229,268.60-90,685.21

Finding the Fourth Proportional to 166,136.71, 229,268.60 and 90,685.21

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Solution

The fourth proportional to 166,136.71, 229,268.60 and 90,685.21 is: 125,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,136.71 : 229,268.60 = 90,685.21 : x
  2. Step 2: Convert to fraction form
    166,136.71/229,268.60 = 90,685.21/x
  3. Step 3: Cross multiply
    166,136.71x = 229,268.60 × 90,685.21
  4. Step 4: Simplify right side
    166,136.71x = 20,791,271,137.41
  5. Step 5: Solve for x
    x = 20,791,271,137.41/166,136.71
  6. Step 6: Final answer
    x = 125,145.56

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