Home / 214,614.58-321,795.42-81,504.22

Finding the Fourth Proportional to 214,614.58, 321,795.42 and 81,504.22

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Solution

The fourth proportional to 214,614.58, 321,795.42 and 81,504.22 is: 122,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,614.58 : 321,795.42 = 81,504.22 : x
  2. Step 2: Convert to fraction form
    214,614.58/321,795.42 = 81,504.22/x
  3. Step 3: Cross multiply
    214,614.58x = 321,795.42 × 81,504.22
  4. Step 4: Simplify right side
    214,614.58x = 26,227,684,706.67
  5. Step 5: Solve for x
    x = 26,227,684,706.67/214,614.58
  6. Step 6: Final answer
    x = 122,208.31

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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.