Home / 214,115.73-321,148.57-86,026.82

Finding the Fourth Proportional to 214,115.73, 321,148.57 and 86,026.82

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Solution

The fourth proportional to 214,115.73, 321,148.57 and 86,026.82 is: 129,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,115.73 : 321,148.57 = 86,026.82 : x
  2. Step 2: Convert to fraction form
    214,115.73/321,148.57 = 86,026.82/x
  3. Step 3: Cross multiply
    214,115.73x = 321,148.57 × 86,026.82
  4. Step 4: Simplify right side
    214,115.73x = 27,627,391,065.16
  5. Step 5: Solve for x
    x = 27,627,391,065.16/214,115.73
  6. Step 6: Final answer
    x = 129,030.18

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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.