Home / 181,268.20-250,190.13-100,723.42

Finding the Fourth Proportional to 181,268.20, 250,190.13 and 100,723.42

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Solution

The fourth proportional to 181,268.20, 250,190.13 and 100,723.42 is: 139,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,268.20 : 250,190.13 = 100,723.42 : x
  2. Step 2: Convert to fraction form
    181,268.20/250,190.13 = 100,723.42/x
  3. Step 3: Cross multiply
    181,268.20x = 250,190.13 × 100,723.42
  4. Step 4: Simplify right side
    181,268.20x = 25,200,005,543.84
  5. Step 5: Solve for x
    x = 25,200,005,543.84/181,268.20
  6. Step 6: Final answer
    x = 139,020.55

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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.