Home / 214,579.60-321,984.60-89,933.20

Finding the Fourth Proportional to 214,579.60, 321,984.60 and 89,933.20

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Solution

The fourth proportional to 214,579.60, 321,984.60 and 89,933.20 is: 134,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,579.60 : 321,984.60 = 89,933.20 : x
  2. Step 2: Convert to fraction form
    214,579.60/321,984.60 = 89,933.20/x
  3. Step 3: Cross multiply
    214,579.60x = 321,984.60 × 89,933.20
  4. Step 4: Simplify right side
    214,579.60x = 28,957,105,428.72
  5. Step 5: Solve for x
    x = 28,957,105,428.72/214,579.60
  6. Step 6: Final answer
    x = 134,948.08

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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.