Home / 214,746.12-321,876.14-109,342.44

Finding the Fourth Proportional to 214,746.12, 321,876.14 and 109,342.44

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Solution

The fourth proportional to 214,746.12, 321,876.14 and 109,342.44 is: 163,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,746.12 : 321,876.14 = 109,342.44 : x
  2. Step 2: Convert to fraction form
    214,746.12/321,876.14 = 109,342.44/x
  3. Step 3: Cross multiply
    214,746.12x = 321,876.14 × 109,342.44
  4. Step 4: Simplify right side
    214,746.12x = 35,194,721,978.67
  5. Step 5: Solve for x
    x = 35,194,721,978.67/214,746.12
  6. Step 6: Final answer
    x = 163,889.91

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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.