Home / 214,958.40-321,945.86-102,717.52

Finding the Fourth Proportional to 214,958.40, 321,945.86 and 102,717.52

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Solution

The fourth proportional to 214,958.40, 321,945.86 and 102,717.52 is: 153,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,958.40 : 321,945.86 = 102,717.52 : x
  2. Step 2: Convert to fraction form
    214,958.40/321,945.86 = 102,717.52/x
  3. Step 3: Cross multiply
    214,958.40x = 321,945.86 × 102,717.52
  4. Step 4: Simplify right side
    214,958.40x = 33,069,480,313.47
  5. Step 5: Solve for x
    x = 33,069,480,313.47/214,958.40
  6. Step 6: Final answer
    x = 153,841.30

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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.