Home / 121,288.53-181,967.91-50,198.04

Finding the Fourth Proportional to 121,288.53, 181,967.91 and 50,198.04

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Solution

The fourth proportional to 121,288.53, 181,967.91 and 50,198.04 is: 75,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,288.53 : 181,967.91 = 50,198.04 : x
  2. Step 2: Convert to fraction form
    121,288.53/181,967.91 = 50,198.04/x
  3. Step 3: Cross multiply
    121,288.53x = 181,967.91 × 50,198.04
  4. Step 4: Simplify right side
    121,288.53x = 9,134,432,424.90
  5. Step 5: Solve for x
    x = 9,134,432,424.90/121,288.53
  6. Step 6: Final answer
    x = 75,311.59

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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.