Home / 72,720.04-109,082.44-20,125.12

Finding the Fourth Proportional to 72,720.04, 109,082.44 and 20,125.12

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Solution

The fourth proportional to 72,720.04, 109,082.44 and 20,125.12 is: 30,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,720.04 : 109,082.44 = 20,125.12 : x
  2. Step 2: Convert to fraction form
    72,720.04/109,082.44 = 20,125.12/x
  3. Step 3: Cross multiply
    72,720.04x = 109,082.44 × 20,125.12
  4. Step 4: Simplify right side
    72,720.04x = 2,195,297,194.89
  5. Step 5: Solve for x
    x = 2,195,297,194.89/72,720.04
  6. Step 6: Final answer
    x = 30,188.34

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