Home / 214,320.83-321,415.61-148,185.95

Finding the Fourth Proportional to 214,320.83, 321,415.61 and 148,185.95

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Solution

The fourth proportional to 214,320.83, 321,415.61 and 148,185.95 is: 222,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,320.83 : 321,415.61 = 148,185.95 : x
  2. Step 2: Convert to fraction form
    214,320.83/321,415.61 = 148,185.95/x
  3. Step 3: Cross multiply
    214,320.83x = 321,415.61 × 148,185.95
  4. Step 4: Simplify right side
    214,320.83x = 47,629,275,164.67
  5. Step 5: Solve for x
    x = 47,629,275,164.67/214,320.83
  6. Step 6: Final answer
    x = 222,233.54

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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.