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Finding the Fourth Proportional to 166,042.60, 249,063.90 and 66,218.20

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Solution

The fourth proportional to 166,042.60, 249,063.90 and 66,218.20 is: 99,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,042.60 : 249,063.90 = 66,218.20 : x
  2. Step 2: Convert to fraction form
    166,042.60/249,063.90 = 66,218.20/x
  3. Step 3: Cross multiply
    166,042.60x = 249,063.90 × 66,218.20
  4. Step 4: Simplify right side
    166,042.60x = 16,492,563,142.98
  5. Step 5: Solve for x
    x = 16,492,563,142.98/166,042.60
  6. Step 6: Final answer
    x = 99,327.30

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