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Finding the Fourth Proportional to 117,186.42, 161,717.52 and 64,798.86

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Solution

The fourth proportional to 117,186.42, 161,717.52 and 64,798.86 is: 89,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,186.42 : 161,717.52 = 64,798.86 : x
  2. Step 2: Convert to fraction form
    117,186.42/161,717.52 = 64,798.86/x
  3. Step 3: Cross multiply
    117,186.42x = 161,717.52 × 64,798.86
  4. Step 4: Simplify right side
    117,186.42x = 10,479,110,938.03
  5. Step 5: Solve for x
    x = 10,479,110,938.03/117,186.42
  6. Step 6: Final answer
    x = 89,422.57

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