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Finding the Fourth Proportional to 98,450.16, 135,813.90 and 64,443.66

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Solution

The fourth proportional to 98,450.16, 135,813.90 and 64,443.66 is: 88,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,450.16 : 135,813.90 = 64,443.66 : x
  2. Step 2: Convert to fraction form
    98,450.16/135,813.90 = 64,443.66/x
  3. Step 3: Cross multiply
    98,450.16x = 135,813.90 × 64,443.66
  4. Step 4: Simplify right side
    98,450.16x = 8,752,344,794.87
  5. Step 5: Solve for x
    x = 8,752,344,794.87/98,450.16
  6. Step 6: Final answer
    x = 88,901.28

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