Home / 140,742.46-194,176.41-80,269.64

Finding the Fourth Proportional to 140,742.46, 194,176.41 and 80,269.64

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Solution

The fourth proportional to 140,742.46, 194,176.41 and 80,269.64 is: 110,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,742.46 : 194,176.41 = 80,269.64 : x
  2. Step 2: Convert to fraction form
    140,742.46/194,176.41 = 80,269.64/x
  3. Step 3: Cross multiply
    140,742.46x = 194,176.41 × 80,269.64
  4. Step 4: Simplify right side
    140,742.46x = 15,586,470,527.19
  5. Step 5: Solve for x
    x = 15,586,470,527.19/140,742.46
  6. Step 6: Final answer
    x = 110,744.62

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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.