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Finding the Fourth Proportional to 141,344.16, 212,062.26 and 66,471.76

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Solution

The fourth proportional to 141,344.16, 212,062.26 and 66,471.76 is: 99,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,344.16 : 212,062.26 = 66,471.76 : x
  2. Step 2: Convert to fraction form
    141,344.16/212,062.26 = 66,471.76/x
  3. Step 3: Cross multiply
    141,344.16x = 212,062.26 × 66,471.76
  4. Step 4: Simplify right side
    141,344.16x = 14,096,151,651.78
  5. Step 5: Solve for x
    x = 14,096,151,651.78/141,344.16
  6. Step 6: Final answer
    x = 99,729.28

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