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Finding the Fourth Proportional to 144,173.61, 198,965.21 and 79,646.18

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Solution

The fourth proportional to 144,173.61, 198,965.21 and 79,646.18 is: 109,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,173.61 : 198,965.21 = 79,646.18 : x
  2. Step 2: Convert to fraction form
    144,173.61/198,965.21 = 79,646.18/x
  3. Step 3: Cross multiply
    144,173.61x = 198,965.21 × 79,646.18
  4. Step 4: Simplify right side
    144,173.61x = 15,846,817,536.34
  5. Step 5: Solve for x
    x = 15,846,817,536.34/144,173.61
  6. Step 6: Final answer
    x = 109,914.83

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