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Finding the Fourth Proportional to 97,428.80, 146,143.20 and 44,940.80

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Solution

The fourth proportional to 97,428.80, 146,143.20 and 44,940.80 is: 67,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428.80 : 146,143.20 = 44,940.80 : x
  2. Step 2: Convert to fraction form
    97,428.80/146,143.20 = 44,940.80/x
  3. Step 3: Cross multiply
    97,428.80x = 146,143.20 × 44,940.80
  4. Step 4: Simplify right side
    97,428.80x = 6,567,792,322.56
  5. Step 5: Solve for x
    x = 6,567,792,322.56/97,428.80
  6. Step 6: Final answer
    x = 67,411.20

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