Home / 140,816.14-194,318.84-80,384.38

Finding the Fourth Proportional to 140,816.14, 194,318.84 and 80,384.38

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Solution

The fourth proportional to 140,816.14, 194,318.84 and 80,384.38 is: 110,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,816.14 : 194,318.84 = 80,384.38 : x
  2. Step 2: Convert to fraction form
    140,816.14/194,318.84 = 80,384.38/x
  3. Step 3: Cross multiply
    140,816.14x = 194,318.84 × 80,384.38
  4. Step 4: Simplify right side
    140,816.14x = 15,620,199,475.72
  5. Step 5: Solve for x
    x = 15,620,199,475.72/140,816.14
  6. Step 6: Final answer
    x = 110,926.20

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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.