Home / 214,743.26-321,972.72-102,440.81

Finding the Fourth Proportional to 214,743.26, 321,972.72 and 102,440.81

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Solution

The fourth proportional to 214,743.26, 321,972.72 and 102,440.81 is: 153,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,743.26 : 321,972.72 = 102,440.81 : x
  2. Step 2: Convert to fraction form
    214,743.26/321,972.72 = 102,440.81/x
  3. Step 3: Cross multiply
    214,743.26x = 321,972.72 × 102,440.81
  4. Step 4: Simplify right side
    214,743.26x = 32,983,144,624.84
  5. Step 5: Solve for x
    x = 32,983,144,624.84/214,743.26
  6. Step 6: Final answer
    x = 153,593.39

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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.