Home / 199,004.85-274,159.62-138,471.39

Finding the Fourth Proportional to 199,004.85, 274,159.62 and 138,471.39

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Solution

The fourth proportional to 199,004.85, 274,159.62 and 138,471.39 is: 190,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,004.85 : 274,159.62 = 138,471.39 : x
  2. Step 2: Convert to fraction form
    199,004.85/274,159.62 = 138,471.39/x
  3. Step 3: Cross multiply
    199,004.85x = 274,159.62 × 138,471.39
  4. Step 4: Simplify right side
    199,004.85x = 37,963,263,663.27
  5. Step 5: Solve for x
    x = 37,963,263,663.27/199,004.85
  6. Step 6: Final answer
    x = 190,765.52

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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.