Home / 214,619.22-321,930.45-81,463.59

Finding the Fourth Proportional to 214,619.22, 321,930.45 and 81,463.59

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Solution

The fourth proportional to 214,619.22, 321,930.45 and 81,463.59 is: 122,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,619.22 : 321,930.45 = 81,463.59 : x
  2. Step 2: Convert to fraction form
    214,619.22/321,930.45 = 81,463.59/x
  3. Step 3: Cross multiply
    214,619.22x = 321,930.45 × 81,463.59
  4. Step 4: Simplify right side
    214,619.22x = 26,225,610,187.32
  5. Step 5: Solve for x
    x = 26,225,610,187.32/214,619.22
  6. Step 6: Final answer
    x = 122,196.00

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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.