Home / 214,156.44-321,178.68-64,356.66

Finding the Fourth Proportional to 214,156.44, 321,178.68 and 64,356.66

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Solution

The fourth proportional to 214,156.44, 321,178.68 and 64,356.66 is: 96,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,156.44 : 321,178.68 = 64,356.66 : x
  2. Step 2: Convert to fraction form
    214,156.44/321,178.68 = 64,356.66/x
  3. Step 3: Cross multiply
    214,156.44x = 321,178.68 × 64,356.66
  4. Step 4: Simplify right side
    214,156.44x = 20,669,987,108.01
  5. Step 5: Solve for x
    x = 20,669,987,108.01/214,156.44
  6. Step 6: Final answer
    x = 96,518.17

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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.