Home / 214,087.92-321,071.40-135,083.76

Finding the Fourth Proportional to 214,087.92, 321,071.40 and 135,083.76

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Solution

The fourth proportional to 214,087.92, 321,071.40 and 135,083.76 is: 202,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,087.92 : 321,071.40 = 135,083.76 : x
  2. Step 2: Convert to fraction form
    214,087.92/321,071.40 = 135,083.76/x
  3. Step 3: Cross multiply
    214,087.92x = 321,071.40 × 135,083.76
  4. Step 4: Simplify right side
    214,087.92x = 43,371,531,940.46
  5. Step 5: Solve for x
    x = 43,371,531,940.46/214,087.92
  6. Step 6: Final answer
    x = 202,587.48

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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.