Home / 214,257.85-321,340.66-87,774.08

Finding the Fourth Proportional to 214,257.85, 321,340.66 and 87,774.08

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Solution

The fourth proportional to 214,257.85, 321,340.66 and 87,774.08 is: 131,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,257.85 : 321,340.66 = 87,774.08 : x
  2. Step 2: Convert to fraction form
    214,257.85/321,340.66 = 87,774.08/x
  3. Step 3: Cross multiply
    214,257.85x = 321,340.66 × 87,774.08
  4. Step 4: Simplify right side
    214,257.85x = 28,205,378,971.95
  5. Step 5: Solve for x
    x = 28,205,378,971.95/214,257.85
  6. Step 6: Final answer
    x = 131,642.22

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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.