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Finding the Fourth Proportional to 171,935.40, 257,903.10 and 47,276.40

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Solution

The fourth proportional to 171,935.40, 257,903.10 and 47,276.40 is: 70,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,935.40 : 257,903.10 = 47,276.40 : x
  2. Step 2: Convert to fraction form
    171,935.40/257,903.10 = 47,276.40/x
  3. Step 3: Cross multiply
    171,935.40x = 257,903.10 × 47,276.40
  4. Step 4: Simplify right side
    171,935.40x = 12,192,730,116.84
  5. Step 5: Solve for x
    x = 12,192,730,116.84/171,935.40
  6. Step 6: Final answer
    x = 70,914.60

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