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Finding the Fourth Proportional to 171,933.40, 257,900.10 and 72,060.40

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Solution

The fourth proportional to 171,933.40, 257,900.10 and 72,060.40 is: 108,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,933.40 : 257,900.10 = 72,060.40 : x
  2. Step 2: Convert to fraction form
    171,933.40/257,900.10 = 72,060.40/x
  3. Step 3: Cross multiply
    171,933.40x = 257,900.10 × 72,060.40
  4. Step 4: Simplify right side
    171,933.40x = 18,584,384,366.04
  5. Step 5: Solve for x
    x = 18,584,384,366.04/171,933.40
  6. Step 6: Final answer
    x = 108,090.60

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