Home / 140,740.96-194,174.34-80,268.14

Finding the Fourth Proportional to 140,740.96, 194,174.34 and 80,268.14

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Solution

The fourth proportional to 140,740.96, 194,174.34 and 80,268.14 is: 110,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,740.96 : 194,174.34 = 80,268.14 : x
  2. Step 2: Convert to fraction form
    140,740.96/194,174.34 = 80,268.14/x
  3. Step 3: Cross multiply
    140,740.96x = 194,174.34 × 80,268.14
  4. Step 4: Simplify right side
    140,740.96x = 15,586,013,107.53
  5. Step 5: Solve for x
    x = 15,586,013,107.53/140,740.96
  6. Step 6: Final answer
    x = 110,742.55

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1.5x scale

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.