Home / 212,251.32-318,236.04-84,082.59

Finding the Fourth Proportional to 212,251.32, 318,236.04 and 84,082.59

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Solution

The fourth proportional to 212,251.32, 318,236.04 and 84,082.59 is: 126,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,251.32 : 318,236.04 = 84,082.59 : x
  2. Step 2: Convert to fraction form
    212,251.32/318,236.04 = 84,082.59/x
  3. Step 3: Cross multiply
    212,251.32x = 318,236.04 × 84,082.59
  4. Step 4: Simplify right side
    212,251.32x = 26,758,110,474.54
  5. Step 5: Solve for x
    x = 26,758,110,474.54/212,251.32
  6. Step 6: Final answer
    x = 126,068.05

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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.