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Finding the Fourth Proportional to 295,173.80, 442,674.30 and 105,612.20

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Solution

The fourth proportional to 295,173.80, 442,674.30 and 105,612.20 is: 158,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,173.80 : 442,674.30 = 105,612.20 : x
  2. Step 2: Convert to fraction form
    295,173.80/442,674.30 = 105,612.20/x
  3. Step 3: Cross multiply
    295,173.80x = 442,674.30 × 105,612.20
  4. Step 4: Simplify right side
    295,173.80x = 46,751,806,706.46
  5. Step 5: Solve for x
    x = 46,751,806,706.46/295,173.80
  6. Step 6: Final answer
    x = 158,387.39

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