Home / 214,310.84-321,443.66-87,964.40

Finding the Fourth Proportional to 214,310.84, 321,443.66 and 87,964.40

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Solution

The fourth proportional to 214,310.84, 321,443.66 and 87,964.40 is: 131,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,310.84 : 321,443.66 = 87,964.40 : x
  2. Step 2: Convert to fraction form
    214,310.84/321,443.66 = 87,964.40/x
  3. Step 3: Cross multiply
    214,310.84x = 321,443.66 × 87,964.40
  4. Step 4: Simplify right side
    214,310.84x = 28,275,598,685.70
  5. Step 5: Solve for x
    x = 28,275,598,685.70/214,310.84
  6. Step 6: Final answer
    x = 131,937.32

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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.