Home / 214,116.20-321,046.30-131,069.80

Finding the Fourth Proportional to 214,116.20, 321,046.30 and 131,069.80

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Solution

The fourth proportional to 214,116.20, 321,046.30 and 131,069.80 is: 196,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,116.20 : 321,046.30 = 131,069.80 : x
  2. Step 2: Convert to fraction form
    214,116.20/321,046.30 = 131,069.80/x
  3. Step 3: Cross multiply
    214,116.20x = 321,046.30 × 131,069.80
  4. Step 4: Simplify right side
    214,116.20x = 42,079,474,331.74
  5. Step 5: Solve for x
    x = 42,079,474,331.74/214,116.20
  6. Step 6: Final answer
    x = 196,526.35

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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.