Home / 214,128.25-321,192.60-64,368.52

Finding the Fourth Proportional to 214,128.25, 321,192.60 and 64,368.52

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Solution

The fourth proportional to 214,128.25, 321,192.60 and 64,368.52 is: 96,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,128.25 : 321,192.60 = 64,368.52 : x
  2. Step 2: Convert to fraction form
    214,128.25/321,192.60 = 64,368.52/x
  3. Step 3: Cross multiply
    214,128.25x = 321,192.60 × 64,368.52
  4. Step 4: Simplify right side
    214,128.25x = 20,674,692,296.95
  5. Step 5: Solve for x
    x = 20,674,692,296.95/214,128.25
  6. Step 6: Final answer
    x = 96,552.85

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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.