Home / 214,082.08-321,168.18-80,959.36

Finding the Fourth Proportional to 214,082.08, 321,168.18 and 80,959.36

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Solution

The fourth proportional to 214,082.08, 321,168.18 and 80,959.36 is: 121,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,082.08 : 321,168.18 = 80,959.36 : x
  2. Step 2: Convert to fraction form
    214,082.08/321,168.18 = 80,959.36/x
  3. Step 3: Cross multiply
    214,082.08x = 321,168.18 × 80,959.36
  4. Step 4: Simplify right side
    214,082.08x = 26,001,570,305.16
  5. Step 5: Solve for x
    x = 26,001,570,305.16/214,082.08
  6. Step 6: Final answer
    x = 121,456.08

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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.