Home / 194,620.42-268,346.04-137,269.18

Finding the Fourth Proportional to 194,620.42, 268,346.04 and 137,269.18

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Solution

The fourth proportional to 194,620.42, 268,346.04 and 137,269.18 is: 189,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,620.42 : 268,346.04 = 137,269.18 : x
  2. Step 2: Convert to fraction form
    194,620.42/268,346.04 = 137,269.18/x
  3. Step 3: Cross multiply
    194,620.42x = 268,346.04 × 137,269.18
  4. Step 4: Simplify right side
    194,620.42x = 36,835,640,867.05
  5. Step 5: Solve for x
    x = 36,835,640,867.05/194,620.42
  6. Step 6: Final answer
    x = 189,269.15

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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.