Home / 214,466.10-321,814.35-89,819.70

Finding the Fourth Proportional to 214,466.10, 321,814.35 and 89,819.70

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Solution

The fourth proportional to 214,466.10, 321,814.35 and 89,819.70 is: 134,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,466.10 : 321,814.35 = 89,819.70 : x
  2. Step 2: Convert to fraction form
    214,466.10/321,814.35 = 89,819.70/x
  3. Step 3: Cross multiply
    214,466.10x = 321,814.35 × 89,819.70
  4. Step 4: Simplify right side
    214,466.10x = 28,905,268,372.70
  5. Step 5: Solve for x
    x = 28,905,268,372.70/214,466.10
  6. Step 6: Final answer
    x = 134,777.80

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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.