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Finding the Fourth Proportional to 114,965.36, 172,467.48 and 52,640.72

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Solution

The fourth proportional to 114,965.36, 172,467.48 and 52,640.72 is: 78,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,965.36 : 172,467.48 = 52,640.72 : x
  2. Step 2: Convert to fraction form
    114,965.36/172,467.48 = 52,640.72/x
  3. Step 3: Cross multiply
    114,965.36x = 172,467.48 × 52,640.72
  4. Step 4: Simplify right side
    114,965.36x = 9,078,812,323.79
  5. Step 5: Solve for x
    x = 9,078,812,323.79/114,965.36
  6. Step 6: Final answer
    x = 78,969.98

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