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Finding the Fourth Proportional to 117,686.86, 162,445.02 and 75,245.56

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Solution

The fourth proportional to 117,686.86, 162,445.02 and 75,245.56 is: 103,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,686.86 : 162,445.02 = 75,245.56 : x
  2. Step 2: Convert to fraction form
    117,686.86/162,445.02 = 75,245.56/x
  3. Step 3: Cross multiply
    117,686.86x = 162,445.02 × 75,245.56
  4. Step 4: Simplify right side
    117,686.86x = 12,223,266,499.11
  5. Step 5: Solve for x
    x = 12,223,266,499.11/117,686.86
  6. Step 6: Final answer
    x = 103,862.63

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