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Finding the Fourth Proportional to 115,950.48, 159,974.16 and 64,955.76

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Solution

The fourth proportional to 115,950.48, 159,974.16 and 64,955.76 is: 89,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,950.48 : 159,974.16 = 64,955.76 : x
  2. Step 2: Convert to fraction form
    115,950.48/159,974.16 = 64,955.76/x
  3. Step 3: Cross multiply
    115,950.48x = 159,974.16 × 64,955.76
  4. Step 4: Simplify right side
    115,950.48x = 10,391,243,143.16
  5. Step 5: Solve for x
    x = 10,391,243,143.16/115,950.48
  6. Step 6: Final answer
    x = 89,617.94

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