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Finding the Fourth Proportional to 109,895.88, 151,659.90 and 71,680.44

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Solution

The fourth proportional to 109,895.88, 151,659.90 and 71,680.44 is: 98,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,895.88 : 151,659.90 = 71,680.44 : x
  2. Step 2: Convert to fraction form
    109,895.88/151,659.90 = 71,680.44/x
  3. Step 3: Cross multiply
    109,895.88x = 151,659.90 × 71,680.44
  4. Step 4: Simplify right side
    109,895.88x = 10,871,048,362.36
  5. Step 5: Solve for x
    x = 10,871,048,362.36/109,895.88
  6. Step 6: Final answer
    x = 98,921.35

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