Home / 214,839.96-322,268.04-81,695.40

Finding the Fourth Proportional to 214,839.96, 322,268.04 and 81,695.40

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Solution

The fourth proportional to 214,839.96, 322,268.04 and 81,695.40 is: 122,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,839.96 : 322,268.04 = 81,695.40 : x
  2. Step 2: Convert to fraction form
    214,839.96/322,268.04 = 81,695.40/x
  3. Step 3: Cross multiply
    214,839.96x = 322,268.04 × 81,695.40
  4. Step 4: Simplify right side
    214,839.96x = 26,327,816,435.02
  5. Step 5: Solve for x
    x = 26,327,816,435.02/214,839.96
  6. Step 6: Final answer
    x = 122,546.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.