Home / 214,341.24-321,511.80-72,174.60

Finding the Fourth Proportional to 214,341.24, 321,511.80 and 72,174.60

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Solution

The fourth proportional to 214,341.24, 321,511.80 and 72,174.60 is: 108,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,341.24 : 321,511.80 = 72,174.60 : x
  2. Step 2: Convert to fraction form
    214,341.24/321,511.80 = 72,174.60/x
  3. Step 3: Cross multiply
    214,341.24x = 321,511.80 × 72,174.60
  4. Step 4: Simplify right side
    214,341.24x = 23,204,985,560.28
  5. Step 5: Solve for x
    x = 23,204,985,560.28/214,341.24
  6. Step 6: Final answer
    x = 108,261.88

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1.5x scale

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.