Home / 214,742.82-322,042.65-86,626.02

Finding the Fourth Proportional to 214,742.82, 322,042.65 and 86,626.02

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Solution

The fourth proportional to 214,742.82, 322,042.65 and 86,626.02 is: 129,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,742.82 : 322,042.65 = 86,626.02 : x
  2. Step 2: Convert to fraction form
    214,742.82/322,042.65 = 86,626.02/x
  3. Step 3: Cross multiply
    214,742.82x = 322,042.65 × 86,626.02
  4. Step 4: Simplify right side
    214,742.82x = 27,897,273,039.75
  5. Step 5: Solve for x
    x = 27,897,273,039.75/214,742.82
  6. Step 6: Final answer
    x = 129,910.16

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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.