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Finding the Fourth Proportional to 170,700.40, 256,050.60 and 107,714.80

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Solution

The fourth proportional to 170,700.40, 256,050.60 and 107,714.80 is: 161,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,700.40 : 256,050.60 = 107,714.80 : x
  2. Step 2: Convert to fraction form
    170,700.40/256,050.60 = 107,714.80/x
  3. Step 3: Cross multiply
    170,700.40x = 256,050.60 × 107,714.80
  4. Step 4: Simplify right side
    170,700.40x = 27,580,439,168.88
  5. Step 5: Solve for x
    x = 27,580,439,168.88/170,700.40
  6. Step 6: Final answer
    x = 161,572.20

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