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Finding the Fourth Proportional to 115,978.82, 160,049.84 and 106,457.16

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Solution

The fourth proportional to 115,978.82, 160,049.84 and 106,457.16 is: 146,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,978.82 : 160,049.84 = 106,457.16 : x
  2. Step 2: Convert to fraction form
    115,978.82/160,049.84 = 106,457.16/x
  3. Step 3: Cross multiply
    115,978.82x = 160,049.84 × 106,457.16
  4. Step 4: Simplify right side
    115,978.82x = 17,038,451,424.85
  5. Step 5: Solve for x
    x = 17,038,451,424.85/115,978.82
  6. Step 6: Final answer
    x = 146,910.03

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