Home / 214,460.20-321,632.70-89,775.40

Finding the Fourth Proportional to 214,460.20, 321,632.70 and 89,775.40

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Solution

The fourth proportional to 214,460.20, 321,632.70 and 89,775.40 is: 134,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,460.20 : 321,632.70 = 89,775.40 : x
  2. Step 2: Convert to fraction form
    214,460.20/321,632.70 = 89,775.40/x
  3. Step 3: Cross multiply
    214,460.20x = 321,632.70 × 89,775.40
  4. Step 4: Simplify right side
    214,460.20x = 28,874,704,295.58
  5. Step 5: Solve for x
    x = 28,874,704,295.58/214,460.20
  6. Step 6: Final answer
    x = 134,638.99

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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.