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Finding the Fourth Proportional to 170,963.40, 256,445.10 and 92,231.40

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Solution

The fourth proportional to 170,963.40, 256,445.10 and 92,231.40 is: 138,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,963.40 : 256,445.10 = 92,231.40 : x
  2. Step 2: Convert to fraction form
    170,963.40/256,445.10 = 92,231.40/x
  3. Step 3: Cross multiply
    170,963.40x = 256,445.10 × 92,231.40
  4. Step 4: Simplify right side
    170,963.40x = 23,652,290,596.14
  5. Step 5: Solve for x
    x = 23,652,290,596.14/170,963.40
  6. Step 6: Final answer
    x = 138,347.10

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