Home / 214,877.67-322,316.51-81,727.17

Finding the Fourth Proportional to 214,877.67, 322,316.51 and 81,727.17

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Solution

The fourth proportional to 214,877.67, 322,316.51 and 81,727.17 is: 122,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,877.67 : 322,316.51 = 81,727.17 : x
  2. Step 2: Convert to fraction form
    214,877.67/322,316.51 = 81,727.17/x
  3. Step 3: Cross multiply
    214,877.67x = 322,316.51 × 81,727.17
  4. Step 4: Simplify right side
    214,877.67x = 26,342,015,797.94
  5. Step 5: Solve for x
    x = 26,342,015,797.94/214,877.67
  6. Step 6: Final answer
    x = 122,590.76

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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.