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Finding the Fourth Proportional to 166,604.40, 249,833.70 and 66,731.40

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Solution

The fourth proportional to 166,604.40, 249,833.70 and 66,731.40 is: 100,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,604.40 : 249,833.70 = 66,731.40 : x
  2. Step 2: Convert to fraction form
    166,604.40/249,833.70 = 66,731.40/x
  3. Step 3: Cross multiply
    166,604.40x = 249,833.70 × 66,731.40
  4. Step 4: Simplify right side
    166,604.40x = 16,671,752,568.18
  5. Step 5: Solve for x
    x = 16,671,752,568.18/166,604.40
  6. Step 6: Final answer
    x = 100,067.90

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