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Finding the Fourth Proportional to 170,938.60, 256,407.90 and 114,951.40

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Solution

The fourth proportional to 170,938.60, 256,407.90 and 114,951.40 is: 172,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,938.60 : 256,407.90 = 114,951.40 : x
  2. Step 2: Convert to fraction form
    170,938.60/256,407.90 = 114,951.40/x
  3. Step 3: Cross multiply
    170,938.60x = 256,407.90 × 114,951.40
  4. Step 4: Simplify right side
    170,938.60x = 29,474,447,076.06
  5. Step 5: Solve for x
    x = 29,474,447,076.06/170,938.60
  6. Step 6: Final answer
    x = 172,427.10

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