Home / 214,302.41-321,453.59-72,135.75

Finding the Fourth Proportional to 214,302.41, 321,453.59 and 72,135.75

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Solution

The fourth proportional to 214,302.41, 321,453.59 and 72,135.75 is: 108,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,302.41 : 321,453.59 = 72,135.75 : x
  2. Step 2: Convert to fraction form
    214,302.41/321,453.59 = 72,135.75/x
  3. Step 3: Cross multiply
    214,302.41x = 321,453.59 × 72,135.75
  4. Step 4: Simplify right side
    214,302.41x = 23,188,295,444.16
  5. Step 5: Solve for x
    x = 23,188,295,444.16/214,302.41
  6. Step 6: Final answer
    x = 108,203.62

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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.