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Finding the Fourth Proportional to 166,722.20, 249,913.20 and 82,352.60

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Solution

The fourth proportional to 166,722.20, 249,913.20 and 82,352.60 is: 123,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,722.20 : 249,913.20 = 82,352.60 : x
  2. Step 2: Convert to fraction form
    166,722.20/249,913.20 = 82,352.60/x
  3. Step 3: Cross multiply
    166,722.20x = 249,913.20 × 82,352.60
  4. Step 4: Simplify right side
    166,722.20x = 20,581,001,794.32
  5. Step 5: Solve for x
    x = 20,581,001,794.32/166,722.20
  6. Step 6: Final answer
    x = 123,444.88

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