Home / 121,291.43-181,972.22-50,200.92

Finding the Fourth Proportional to 121,291.43, 181,972.22 and 50,200.92

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Solution

The fourth proportional to 121,291.43, 181,972.22 and 50,200.92 is: 75,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,291.43 : 181,972.22 = 50,200.92 : x
  2. Step 2: Convert to fraction form
    121,291.43/181,972.22 = 50,200.92/x
  3. Step 3: Cross multiply
    121,291.43x = 181,972.22 × 50,200.92
  4. Step 4: Simplify right side
    121,291.43x = 9,135,172,858.44
  5. Step 5: Solve for x
    x = 9,135,172,858.44/121,291.43
  6. Step 6: Final answer
    x = 75,315.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.