Home / 214,885.99-321,886-125,869.62

Finding the Fourth Proportional to 214,885.99, 321,886 and 125,869.62

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Solution

The fourth proportional to 214,885.99, 321,886 and 125,869.62 is: 188,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,885.99 : 321,886 = 125,869.62 : x
  2. Step 2: Convert to fraction form
    214,885.99/321,886 = 125,869.62/x
  3. Step 3: Cross multiply
    214,885.99x = 321,886 × 125,869.62
  4. Step 4: Simplify right side
    214,885.99x = 40,515,668,503.32
  5. Step 5: Solve for x
    x = 40,515,668,503.32/214,885.99
  6. Step 6: Final answer
    x = 188,544.95

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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.