Home / 199,922.13-275,881.91-109,260.63

Finding the Fourth Proportional to 199,922.13, 275,881.91 and 109,260.63

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Solution

The fourth proportional to 199,922.13, 275,881.91 and 109,260.63 is: 150,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,922.13 : 275,881.91 = 109,260.63 : x
  2. Step 2: Convert to fraction form
    199,922.13/275,881.91 = 109,260.63/x
  3. Step 3: Cross multiply
    199,922.13x = 275,881.91 × 109,260.63
  4. Step 4: Simplify right side
    199,922.13x = 30,143,030,745.90
  5. Step 5: Solve for x
    x = 30,143,030,745.90/199,922.13
  6. Step 6: Final answer
    x = 150,773.86

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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.