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Finding the Fourth Proportional to 112,186.80, 168,312.09 and 45,674.66

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Solution

The fourth proportional to 112,186.80, 168,312.09 and 45,674.66 is: 68,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,186.80 : 168,312.09 = 45,674.66 : x
  2. Step 2: Convert to fraction form
    112,186.80/168,312.09 = 45,674.66/x
  3. Step 3: Cross multiply
    112,186.80x = 168,312.09 × 45,674.66
  4. Step 4: Simplify right side
    112,186.80x = 7,687,596,643.08
  5. Step 5: Solve for x
    x = 7,687,596,643.08/112,186.80
  6. Step 6: Final answer
    x = 68,524.97

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