Home / 209,215.26-313,825.08-82,886.25

Finding the Fourth Proportional to 209,215.26, 313,825.08 and 82,886.25

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Solution

The fourth proportional to 209,215.26, 313,825.08 and 82,886.25 is: 124,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,215.26 : 313,825.08 = 82,886.25 : x
  2. Step 2: Convert to fraction form
    209,215.26/313,825.08 = 82,886.25/x
  3. Step 3: Cross multiply
    209,215.26x = 313,825.08 × 82,886.25
  4. Step 4: Simplify right side
    209,215.26x = 26,011,784,037.15
  5. Step 5: Solve for x
    x = 26,011,784,037.15/209,215.26
  6. Step 6: Final answer
    x = 124,330.24

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