Home / 214,137.86-321,097.42-79,195.10

Finding the Fourth Proportional to 214,137.86, 321,097.42 and 79,195.10

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Solution

The fourth proportional to 214,137.86, 321,097.42 and 79,195.10 is: 118,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,137.86 : 321,097.42 = 79,195.10 : x
  2. Step 2: Convert to fraction form
    214,137.86/321,097.42 = 79,195.10/x
  3. Step 3: Cross multiply
    214,137.86x = 321,097.42 × 79,195.10
  4. Step 4: Simplify right side
    214,137.86x = 25,429,342,286.64
  5. Step 5: Solve for x
    x = 25,429,342,286.64/214,137.86
  6. Step 6: Final answer
    x = 118,752.20

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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.