Home / 214,945.62-322,421.52-81,833.18

Finding the Fourth Proportional to 214,945.62, 322,421.52 and 81,833.18

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Solution

The fourth proportional to 214,945.62, 322,421.52 and 81,833.18 is: 122,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,945.62 : 322,421.52 = 81,833.18 : x
  2. Step 2: Convert to fraction form
    214,945.62/322,421.52 = 81,833.18/x
  3. Step 3: Cross multiply
    214,945.62x = 322,421.52 × 81,833.18
  4. Step 4: Simplify right side
    214,945.62x = 26,384,778,282.03
  5. Step 5: Solve for x
    x = 26,384,778,282.03/214,945.62
  6. Step 6: Final answer
    x = 122,750.95

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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.