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Finding the Fourth Proportional to 166,422.40, 249,633.60 and 83,305.60

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Solution

The fourth proportional to 166,422.40, 249,633.60 and 83,305.60 is: 124,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,422.40 : 249,633.60 = 83,305.60 : x
  2. Step 2: Convert to fraction form
    166,422.40/249,633.60 = 83,305.60/x
  3. Step 3: Cross multiply
    166,422.40x = 249,633.60 × 83,305.60
  4. Step 4: Simplify right side
    166,422.40x = 20,795,876,828.16
  5. Step 5: Solve for x
    x = 20,795,876,828.16/166,422.40
  6. Step 6: Final answer
    x = 124,958.40

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