Home / 214,101.13-321,139.34-64,338.20

Finding the Fourth Proportional to 214,101.13, 321,139.34 and 64,338.20

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Solution

The fourth proportional to 214,101.13, 321,139.34 and 64,338.20 is: 96,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,101.13 : 321,139.34 = 64,338.20 : x
  2. Step 2: Convert to fraction form
    214,101.13/321,139.34 = 64,338.20/x
  3. Step 3: Cross multiply
    214,101.13x = 321,139.34 × 64,338.20
  4. Step 4: Simplify right side
    214,101.13x = 20,661,526,763.10
  5. Step 5: Solve for x
    x = 20,661,526,763.10/214,101.13
  6. Step 6: Final answer
    x = 96,503.59

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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.