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Finding the Fourth Proportional to 129,799.50, 179,142.75 and 79,527.66

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Solution

The fourth proportional to 129,799.50, 179,142.75 and 79,527.66 is: 109,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,799.50 : 179,142.75 = 79,527.66 : x
  2. Step 2: Convert to fraction form
    129,799.50/179,142.75 = 79,527.66/x
  3. Step 3: Cross multiply
    129,799.50x = 179,142.75 × 79,527.66
  4. Step 4: Simplify right side
    129,799.50x = 14,246,803,713.47
  5. Step 5: Solve for x
    x = 14,246,803,713.47/129,799.50
  6. Step 6: Final answer
    x = 109,760.08

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