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Finding the Fourth Proportional to 110,721.40, 166,082.10 and 51,672.40

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Solution

The fourth proportional to 110,721.40, 166,082.10 and 51,672.40 is: 77,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,721.40 : 166,082.10 = 51,672.40 : x
  2. Step 2: Convert to fraction form
    110,721.40/166,082.10 = 51,672.40/x
  3. Step 3: Cross multiply
    110,721.40x = 166,082.10 × 51,672.40
  4. Step 4: Simplify right side
    110,721.40x = 8,581,860,704.04
  5. Step 5: Solve for x
    x = 8,581,860,704.04/110,721.40
  6. Step 6: Final answer
    x = 77,508.60

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