Home / 214,194.33-321,294.23-81,038.84

Finding the Fourth Proportional to 214,194.33, 321,294.23 and 81,038.84

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Solution

The fourth proportional to 214,194.33, 321,294.23 and 81,038.84 is: 121,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,194.33 : 321,294.23 = 81,038.84 : x
  2. Step 2: Convert to fraction form
    214,194.33/321,294.23 = 81,038.84/x
  3. Step 3: Cross multiply
    214,194.33x = 321,294.23 × 81,038.84
  4. Step 4: Simplify right side
    214,194.33x = 26,037,309,990.12
  5. Step 5: Solve for x
    x = 26,037,309,990.12/214,194.33
  6. Step 6: Final answer
    x = 121,559.29

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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.