Home / 214,014.78-321,021.77-64,254.83

Finding the Fourth Proportional to 214,014.78, 321,021.77 and 64,254.83

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Solution

The fourth proportional to 214,014.78, 321,021.77 and 64,254.83 is: 96,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,014.78 : 321,021.77 = 64,254.83 : x
  2. Step 2: Convert to fraction form
    214,014.78/321,021.77 = 64,254.83/x
  3. Step 3: Cross multiply
    214,014.78x = 321,021.77 × 64,254.83
  4. Step 4: Simplify right side
    214,014.78x = 20,627,197,331.27
  5. Step 5: Solve for x
    x = 20,627,197,331.27/214,014.78
  6. Step 6: Final answer
    x = 96,382.12

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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.