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Finding the Fourth Proportional to 564,106.91, 846,162.20 and 143,382.78

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Solution

The fourth proportional to 564,106.91, 846,162.20 and 143,382.78 is: 215,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,106.91 : 846,162.20 = 143,382.78 : x
  2. Step 2: Convert to fraction form
    564,106.91/846,162.20 = 143,382.78/x
  3. Step 3: Cross multiply
    564,106.91x = 846,162.20 × 143,382.78
  4. Step 4: Simplify right side
    564,106.91x = 121,325,090,498.68
  5. Step 5: Solve for x
    x = 121,325,090,498.68/564,106.91
  6. Step 6: Final answer
    x = 215,074.64

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