Home / 82,928.16-114,512.40-71,108.64

Finding the Fourth Proportional to 82,928.16, 114,512.40 and 71,108.64

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Solution

The fourth proportional to 82,928.16, 114,512.40 and 71,108.64 is: 98,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,928.16 : 114,512.40 = 71,108.64 : x
  2. Step 2: Convert to fraction form
    82,928.16/114,512.40 = 71,108.64/x
  3. Step 3: Cross multiply
    82,928.16x = 114,512.40 × 71,108.64
  4. Step 4: Simplify right side
    82,928.16x = 8,142,821,027.14
  5. Step 5: Solve for x
    x = 8,142,821,027.14/82,928.16
  6. Step 6: Final answer
    x = 98,191.27

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