Home / 199,640.12-275,507.26-108,996.31

Finding the Fourth Proportional to 199,640.12, 275,507.26 and 108,996.31

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Solution

The fourth proportional to 199,640.12, 275,507.26 and 108,996.31 is: 150,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,640.12 : 275,507.26 = 108,996.31 : x
  2. Step 2: Convert to fraction form
    199,640.12/275,507.26 = 108,996.31/x
  3. Step 3: Cross multiply
    199,640.12x = 275,507.26 × 108,996.31
  4. Step 4: Simplify right side
    199,640.12x = 30,029,274,718.21
  5. Step 5: Solve for x
    x = 30,029,274,718.21/199,640.12
  6. Step 6: Final answer
    x = 150,417.03

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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.