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Finding the Fourth Proportional to 111,520.32, 153,927.54 and 69,054.72

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Solution

The fourth proportional to 111,520.32, 153,927.54 and 69,054.72 is: 95,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,520.32 : 153,927.54 = 69,054.72 : x
  2. Step 2: Convert to fraction form
    111,520.32/153,927.54 = 69,054.72/x
  3. Step 3: Cross multiply
    111,520.32x = 153,927.54 × 69,054.72
  4. Step 4: Simplify right side
    111,520.32x = 10,629,423,174.99
  5. Step 5: Solve for x
    x = 10,629,423,174.99/111,520.32
  6. Step 6: Final answer
    x = 95,313.78

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