Home / 214,423.60-321,559.86-88,027.12

Finding the Fourth Proportional to 214,423.60, 321,559.86 and 88,027.12

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Solution

The fourth proportional to 214,423.60, 321,559.86 and 88,027.12 is: 132,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,423.60 : 321,559.86 = 88,027.12 : x
  2. Step 2: Convert to fraction form
    214,423.60/321,559.86 = 88,027.12/x
  3. Step 3: Cross multiply
    214,423.60x = 321,559.86 × 88,027.12
  4. Step 4: Simplify right side
    214,423.60x = 28,305,988,383.40
  5. Step 5: Solve for x
    x = 28,305,988,383.40/214,423.60
  6. Step 6: Final answer
    x = 132,009.67

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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.