Home / 214,722.32-321,983.48-79,692.35

Finding the Fourth Proportional to 214,722.32, 321,983.48 and 79,692.35

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Solution

The fourth proportional to 214,722.32, 321,983.48 and 79,692.35 is: 119,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,722.32 : 321,983.48 = 79,692.35 : x
  2. Step 2: Convert to fraction form
    214,722.32/321,983.48 = 79,692.35/x
  3. Step 3: Cross multiply
    214,722.32x = 321,983.48 × 79,692.35
  4. Step 4: Simplify right side
    214,722.32x = 25,659,618,771.69
  5. Step 5: Solve for x
    x = 25,659,618,771.69/214,722.32
  6. Step 6: Final answer
    x = 119,501.41

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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.