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Finding the Fourth Proportional to 166,258.80, 249,388.20 and 83,122.80

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Solution

The fourth proportional to 166,258.80, 249,388.20 and 83,122.80 is: 124,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,258.80 : 249,388.20 = 83,122.80 : x
  2. Step 2: Convert to fraction form
    166,258.80/249,388.20 = 83,122.80/x
  3. Step 3: Cross multiply
    166,258.80x = 249,388.20 × 83,122.80
  4. Step 4: Simplify right side
    166,258.80x = 20,729,845,470.96
  5. Step 5: Solve for x
    x = 20,729,845,470.96/166,258.80
  6. Step 6: Final answer
    x = 124,684.20

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