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Finding the Fourth Proportional to 107,125.80, 160,714.30 and 54,543.40

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Solution

The fourth proportional to 107,125.80, 160,714.30 and 54,543.40 is: 81,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,125.80 : 160,714.30 = 54,543.40 : x
  2. Step 2: Convert to fraction form
    107,125.80/160,714.30 = 54,543.40/x
  3. Step 3: Cross multiply
    107,125.80x = 160,714.30 × 54,543.40
  4. Step 4: Simplify right side
    107,125.80x = 8,765,904,350.62
  5. Step 5: Solve for x
    x = 8,765,904,350.62/107,125.80
  6. Step 6: Final answer
    x = 81,828.13

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