Home / 199,781.03-275,693.22-109,137.38

Finding the Fourth Proportional to 199,781.03, 275,693.22 and 109,137.38

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Solution

The fourth proportional to 199,781.03, 275,693.22 and 109,137.38 is: 150,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,781.03 : 275,693.22 = 109,137.38 : x
  2. Step 2: Convert to fraction form
    199,781.03/275,693.22 = 109,137.38/x
  3. Step 3: Cross multiply
    199,781.03x = 275,693.22 × 109,137.38
  4. Step 4: Simplify right side
    199,781.03x = 30,088,434,336.10
  5. Step 5: Solve for x
    x = 30,088,434,336.10/199,781.03
  6. Step 6: Final answer
    x = 150,607.06

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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.