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Finding the Fourth Proportional to 166,337.40, 249,433.20 and 66,464.40

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Solution

The fourth proportional to 166,337.40, 249,433.20 and 66,464.40 is: 99,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,337.40 : 249,433.20 = 66,464.40 : x
  2. Step 2: Convert to fraction form
    166,337.40/249,433.20 = 66,464.40/x
  3. Step 3: Cross multiply
    166,337.40x = 249,433.20 × 66,464.40
  4. Step 4: Simplify right side
    166,337.40x = 16,578,427,978.08
  5. Step 5: Solve for x
    x = 16,578,427,978.08/166,337.40
  6. Step 6: Final answer
    x = 99,667.47

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