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Finding the Fourth Proportional to 117,872.40, 176,819.40 and 47,737.20

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Solution

The fourth proportional to 117,872.40, 176,819.40 and 47,737.20 is: 71,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,872.40 : 176,819.40 = 47,737.20 : x
  2. Step 2: Convert to fraction form
    117,872.40/176,819.40 = 47,737.20/x
  3. Step 3: Cross multiply
    117,872.40x = 176,819.40 × 47,737.20
  4. Step 4: Simplify right side
    117,872.40x = 8,440,863,061.68
  5. Step 5: Solve for x
    x = 8,440,863,061.68/117,872.40
  6. Step 6: Final answer
    x = 71,610.17

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