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Finding the Fourth Proportional to 111,742.63, 167,613.51 and 45,181.96

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Solution

The fourth proportional to 111,742.63, 167,613.51 and 45,181.96 is: 67,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,742.63 : 167,613.51 = 45,181.96 : x
  2. Step 2: Convert to fraction form
    111,742.63/167,613.51 = 45,181.96/x
  3. Step 3: Cross multiply
    111,742.63x = 167,613.51 × 45,181.96
  4. Step 4: Simplify right side
    111,742.63x = 7,573,106,904.28
  5. Step 5: Solve for x
    x = 7,573,106,904.28/111,742.63
  6. Step 6: Final answer
    x = 67,772.76

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