Home / 140,814.14-194,316.08-80,382.38

Finding the Fourth Proportional to 140,814.14, 194,316.08 and 80,382.38

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Solution

The fourth proportional to 140,814.14, 194,316.08 and 80,382.38 is: 110,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,814.14 : 194,316.08 = 80,382.38 : x
  2. Step 2: Convert to fraction form
    140,814.14/194,316.08 = 80,382.38/x
  3. Step 3: Cross multiply
    140,814.14x = 194,316.08 × 80,382.38
  4. Step 4: Simplify right side
    140,814.14x = 15,619,589,669.42
  5. Step 5: Solve for x
    x = 15,619,589,669.42/140,814.14
  6. Step 6: Final answer
    x = 110,923.44

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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.