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Finding the Fourth Proportional to 171,966.60, 257,949.90 and 45,606.60

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Solution

The fourth proportional to 171,966.60, 257,949.90 and 45,606.60 is: 68,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,966.60 : 257,949.90 = 45,606.60 : x
  2. Step 2: Convert to fraction form
    171,966.60/257,949.90 = 45,606.60/x
  3. Step 3: Cross multiply
    171,966.60x = 257,949.90 × 45,606.60
  4. Step 4: Simplify right side
    171,966.60x = 11,764,217,909.34
  5. Step 5: Solve for x
    x = 11,764,217,909.34/171,966.60
  6. Step 6: Final answer
    x = 68,409.90

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