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Finding the Fourth Proportional to 301,123.26, 451,684.53 and 90,761.18

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Solution

The fourth proportional to 301,123.26, 451,684.53 and 90,761.18 is: 136,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,123.26 : 451,684.53 = 90,761.18 : x
  2. Step 2: Convert to fraction form
    301,123.26/451,684.53 = 90,761.18/x
  3. Step 3: Cross multiply
    301,123.26x = 451,684.53 × 90,761.18
  4. Step 4: Simplify right side
    301,123.26x = 40,995,418,672.12
  5. Step 5: Solve for x
    x = 40,995,418,672.12/301,123.26
  6. Step 6: Final answer
    x = 136,141.65

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