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Finding the Fourth Proportional to 166,618.80, 249,996.24 and 87,802.56

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Solution

The fourth proportional to 166,618.80, 249,996.24 and 87,802.56 is: 131,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,618.80 : 249,996.24 = 87,802.56 : x
  2. Step 2: Convert to fraction form
    166,618.80/249,996.24 = 87,802.56/x
  3. Step 3: Cross multiply
    166,618.80x = 249,996.24 × 87,802.56
  4. Step 4: Simplify right side
    166,618.80x = 21,950,309,862.37
  5. Step 5: Solve for x
    x = 21,950,309,862.37/166,618.80
  6. Step 6: Final answer
    x = 131,739.69

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