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Finding the Fourth Proportional to 160,919.40, 241,379.10 and 105,213.80

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Solution

The fourth proportional to 160,919.40, 241,379.10 and 105,213.80 is: 157,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,919.40 : 241,379.10 = 105,213.80 : x
  2. Step 2: Convert to fraction form
    160,919.40/241,379.10 = 105,213.80/x
  3. Step 3: Cross multiply
    160,919.40x = 241,379.10 × 105,213.80
  4. Step 4: Simplify right side
    160,919.40x = 25,396,412,351.58
  5. Step 5: Solve for x
    x = 25,396,412,351.58/160,919.40
  6. Step 6: Final answer
    x = 157,820.70

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