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Finding the Fourth Proportional to 109,713.81, 151,405.06 and 59,412.81

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Solution

The fourth proportional to 109,713.81, 151,405.06 and 59,412.81 is: 81,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,713.81 : 151,405.06 = 59,412.81 : x
  2. Step 2: Convert to fraction form
    109,713.81/151,405.06 = 59,412.81/x
  3. Step 3: Cross multiply
    109,713.81x = 151,405.06 × 59,412.81
  4. Step 4: Simplify right side
    109,713.81x = 8,995,400,062.82
  5. Step 5: Solve for x
    x = 8,995,400,062.82/109,713.81
  6. Step 6: Final answer
    x = 81,989.68

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