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Finding the Fourth Proportional to 142,054.82, 196,040.36 and 77,527.59

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Solution

The fourth proportional to 142,054.82, 196,040.36 and 77,527.59 is: 106,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,054.82 : 196,040.36 = 77,527.59 : x
  2. Step 2: Convert to fraction form
    142,054.82/196,040.36 = 77,527.59/x
  3. Step 3: Cross multiply
    142,054.82x = 196,040.36 × 77,527.59
  4. Step 4: Simplify right side
    142,054.82x = 15,198,536,653.53
  5. Step 5: Solve for x
    x = 15,198,536,653.53/142,054.82
  6. Step 6: Final answer
    x = 106,990.64

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