Home / 199,279.49-275,003.03-108,634.01

Finding the Fourth Proportional to 199,279.49, 275,003.03 and 108,634.01

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Solution

The fourth proportional to 199,279.49, 275,003.03 and 108,634.01 is: 149,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,279.49 : 275,003.03 = 108,634.01 : x
  2. Step 2: Convert to fraction form
    199,279.49/275,003.03 = 108,634.01/x
  3. Step 3: Cross multiply
    199,279.49x = 275,003.03 × 108,634.01
  4. Step 4: Simplify right side
    199,279.49x = 29,874,680,807.62
  5. Step 5: Solve for x
    x = 29,874,680,807.62/199,279.49
  6. Step 6: Final answer
    x = 149,913.48

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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.