Home / 214,173.60-321,265.47-72,020.70

Finding the Fourth Proportional to 214,173.60, 321,265.47 and 72,020.70

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Solution

The fourth proportional to 214,173.60, 321,265.47 and 72,020.70 is: 108,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,173.60 : 321,265.47 = 72,020.70 : x
  2. Step 2: Convert to fraction form
    214,173.60/321,265.47 = 72,020.70/x
  3. Step 3: Cross multiply
    214,173.60x = 321,265.47 × 72,020.70
  4. Step 4: Simplify right side
    214,173.60x = 23,137,764,035.23
  5. Step 5: Solve for x
    x = 23,137,764,035.23/214,173.60
  6. Step 6: Final answer
    x = 108,032.75

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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.