Home / 214,315.73-321,473.54-72,149.07

Finding the Fourth Proportional to 214,315.73, 321,473.54 and 72,149.07

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Solution

The fourth proportional to 214,315.73, 321,473.54 and 72,149.07 is: 108,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,315.73 : 321,473.54 = 72,149.07 : x
  2. Step 2: Convert to fraction form
    214,315.73/321,473.54 = 72,149.07/x
  3. Step 3: Cross multiply
    214,315.73x = 321,473.54 × 72,149.07
  4. Step 4: Simplify right side
    214,315.73x = 23,194,016,579.86
  5. Step 5: Solve for x
    x = 23,194,016,579.86/214,315.73
  6. Step 6: Final answer
    x = 108,223.59

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1.5x scale

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.