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Finding the Fourth Proportional to 105,738.09, 158,510.00 and 45,729.03

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Solution

The fourth proportional to 105,738.09, 158,510.00 and 45,729.03 is: 68,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,738.09 : 158,510.00 = 45,729.03 : x
  2. Step 2: Convert to fraction form
    105,738.09/158,510.00 = 45,729.03/x
  3. Step 3: Cross multiply
    105,738.09x = 158,510.00 × 45,729.03
  4. Step 4: Simplify right side
    105,738.09x = 7,248,508,743.92
  5. Step 5: Solve for x
    x = 7,248,508,743.92/105,738.09
  6. Step 6: Final answer
    x = 68,551.54

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