Home / 199,034.16-274,663.02-108,391.71

Finding the Fourth Proportional to 199,034.16, 274,663.02 and 108,391.71

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Solution

The fourth proportional to 199,034.16, 274,663.02 and 108,391.71 is: 149,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,034.16 : 274,663.02 = 108,391.71 : x
  2. Step 2: Convert to fraction form
    199,034.16/274,663.02 = 108,391.71/x
  3. Step 3: Cross multiply
    199,034.16x = 274,663.02 × 108,391.71
  4. Step 4: Simplify right side
    199,034.16x = 29,771,194,411.56
  5. Step 5: Solve for x
    x = 29,771,194,411.56/199,034.16
  6. Step 6: Final answer
    x = 149,578.32

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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.