Home / 214,387.56-321,780.06-109,285.48

Finding the Fourth Proportional to 214,387.56, 321,780.06 and 109,285.48

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Solution

The fourth proportional to 214,387.56, 321,780.06 and 109,285.48 is: 164,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,387.56 : 321,780.06 = 109,285.48 : x
  2. Step 2: Convert to fraction form
    214,387.56/321,780.06 = 109,285.48/x
  3. Step 3: Cross multiply
    214,387.56x = 321,780.06 × 109,285.48
  4. Step 4: Simplify right side
    214,387.56x = 35,165,888,311.53
  5. Step 5: Solve for x
    x = 35,165,888,311.53/214,387.56
  6. Step 6: Final answer
    x = 164,029.52

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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.