Home / 140,741.06-194,174.42-80,268.21

Finding the Fourth Proportional to 140,741.06, 194,174.42 and 80,268.21

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Solution

The fourth proportional to 140,741.06, 194,174.42 and 80,268.21 is: 110,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,741.06 : 194,174.42 = 80,268.21 : x
  2. Step 2: Convert to fraction form
    140,741.06/194,174.42 = 80,268.21/x
  3. Step 3: Cross multiply
    140,741.06x = 194,174.42 × 80,268.21
  4. Step 4: Simplify right side
    140,741.06x = 15,586,032,719.85
  5. Step 5: Solve for x
    x = 15,586,032,719.85/140,741.06
  6. Step 6: Final answer
    x = 110,742.62

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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.