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Finding the Fourth Proportional to 170,921.60, 256,382.40 and 114,934.40

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Solution

The fourth proportional to 170,921.60, 256,382.40 and 114,934.40 is: 172,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,921.60 : 256,382.40 = 114,934.40 : x
  2. Step 2: Convert to fraction form
    170,921.60/256,382.40 = 114,934.40/x
  3. Step 3: Cross multiply
    170,921.60x = 256,382.40 × 114,934.40
  4. Step 4: Simplify right side
    170,921.60x = 29,467,157,314.56
  5. Step 5: Solve for x
    x = 29,467,157,314.56/170,921.60
  6. Step 6: Final answer
    x = 172,401.60

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