Home / 214,956.41-321,942.87-102,715.52

Finding the Fourth Proportional to 214,956.41, 321,942.87 and 102,715.52

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Solution

The fourth proportional to 214,956.41, 321,942.87 and 102,715.52 is: 153,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,956.41 : 321,942.87 = 102,715.52 : x
  2. Step 2: Convert to fraction form
    214,956.41/321,942.87 = 102,715.52/x
  3. Step 3: Cross multiply
    214,956.41x = 321,942.87 × 102,715.52
  4. Step 4: Simplify right side
    214,956.41x = 33,068,527,692.63
  5. Step 5: Solve for x
    x = 33,068,527,692.63/214,956.41
  6. Step 6: Final answer
    x = 153,838.30

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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.