Home / 140,685.24-194,164.12-80,242.02

Finding the Fourth Proportional to 140,685.24, 194,164.12 and 80,242.02

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Solution

The fourth proportional to 140,685.24, 194,164.12 and 80,242.02 is: 110,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,685.24 : 194,164.12 = 80,242.02 : x
  2. Step 2: Convert to fraction form
    140,685.24/194,164.12 = 80,242.02/x
  3. Step 3: Cross multiply
    140,685.24x = 194,164.12 × 80,242.02
  4. Step 4: Simplify right side
    140,685.24x = 15,580,121,284.52
  5. Step 5: Solve for x
    x = 15,580,121,284.52/140,685.24
  6. Step 6: Final answer
    x = 110,744.54

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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.