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Finding the Fourth Proportional to 121,505.10, 182,452.05 and 91,956.30

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Solution

The fourth proportional to 121,505.10, 182,452.05 and 91,956.30 is: 138,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,505.10 : 182,452.05 = 91,956.30 : x
  2. Step 2: Convert to fraction form
    121,505.10/182,452.05 = 91,956.30/x
  3. Step 3: Cross multiply
    121,505.10x = 182,452.05 × 91,956.30
  4. Step 4: Simplify right side
    121,505.10x = 16,777,615,445.42
  5. Step 5: Solve for x
    x = 16,777,615,445.42/121,505.10
  6. Step 6: Final answer
    x = 138,081.57

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