Home / 198,244.20-273,581.06-112,203.18

Finding the Fourth Proportional to 198,244.20, 273,581.06 and 112,203.18

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Solution

The fourth proportional to 198,244.20, 273,581.06 and 112,203.18 is: 154,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,244.20 : 273,581.06 = 112,203.18 : x
  2. Step 2: Convert to fraction form
    198,244.20/273,581.06 = 112,203.18/x
  3. Step 3: Cross multiply
    198,244.20x = 273,581.06 × 112,203.18
  4. Step 4: Simplify right side
    198,244.20x = 30,696,664,919.77
  5. Step 5: Solve for x
    x = 30,696,664,919.77/198,244.20
  6. Step 6: Final answer
    x = 154,842.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.