Home / 214,385.52-321,626.88-74,145.36

Finding the Fourth Proportional to 214,385.52, 321,626.88 and 74,145.36

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Solution

The fourth proportional to 214,385.52, 321,626.88 and 74,145.36 is: 111,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,385.52 : 321,626.88 = 74,145.36 : x
  2. Step 2: Convert to fraction form
    214,385.52/321,626.88 = 74,145.36/x
  3. Step 3: Cross multiply
    214,385.52x = 321,626.88 × 74,145.36
  4. Step 4: Simplify right side
    214,385.52x = 23,847,140,803.28
  5. Step 5: Solve for x
    x = 23,847,140,803.28/214,385.52
  6. Step 6: Final answer
    x = 111,234.85

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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.