Home / 199,006.35-274,161.56-138,473.03

Finding the Fourth Proportional to 199,006.35, 274,161.56 and 138,473.03

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Solution

The fourth proportional to 199,006.35, 274,161.56 and 138,473.03 is: 190,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,006.35 : 274,161.56 = 138,473.03 : x
  2. Step 2: Convert to fraction form
    199,006.35/274,161.56 = 138,473.03/x
  3. Step 3: Cross multiply
    199,006.35x = 274,161.56 × 138,473.03
  4. Step 4: Simplify right side
    199,006.35x = 37,963,979,859.55
  5. Step 5: Solve for x
    x = 37,963,979,859.55/199,006.35
  6. Step 6: Final answer
    x = 190,767.68

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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.