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Finding the Fourth Proportional to 166,188.78, 249,283.58 and 66,357.09

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Solution

The fourth proportional to 166,188.78, 249,283.58 and 66,357.09 is: 99,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,188.78 : 249,283.58 = 66,357.09 : x
  2. Step 2: Convert to fraction form
    166,188.78/249,283.58 = 66,357.09/x
  3. Step 3: Cross multiply
    166,188.78x = 249,283.58 × 66,357.09
  4. Step 4: Simplify right side
    166,188.78x = 16,541,732,621.80
  5. Step 5: Solve for x
    x = 16,541,732,621.80/166,188.78
  6. Step 6: Final answer
    x = 99,535.80

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