Home / 214,522.77-321,585.48-79,511.66

Finding the Fourth Proportional to 214,522.77, 321,585.48 and 79,511.66

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Solution

The fourth proportional to 214,522.77, 321,585.48 and 79,511.66 is: 119,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,522.77 : 321,585.48 = 79,511.66 : x
  2. Step 2: Convert to fraction form
    214,522.77/321,585.48 = 79,511.66/x
  3. Step 3: Cross multiply
    214,522.77x = 321,585.48 × 79,511.66
  4. Step 4: Simplify right side
    214,522.77x = 25,569,793,738.77
  5. Step 5: Solve for x
    x = 25,569,793,738.77/214,522.77
  6. Step 6: Final answer
    x = 119,193.84

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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.