Home / 199,009.42-274,629.05-108,366.47

Finding the Fourth Proportional to 199,009.42, 274,629.05 and 108,366.47

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Solution

The fourth proportional to 199,009.42, 274,629.05 and 108,366.47 is: 149,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,009.42 : 274,629.05 = 108,366.47 : x
  2. Step 2: Convert to fraction form
    199,009.42/274,629.05 = 108,366.47/x
  3. Step 3: Cross multiply
    199,009.42x = 274,629.05 × 108,366.47
  4. Step 4: Simplify right side
    199,009.42x = 29,760,579,605.72
  5. Step 5: Solve for x
    x = 29,760,579,605.72/199,009.42
  6. Step 6: Final answer
    x = 149,543.57

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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.