Home / 198,397.89-273,791.07-107,755.63

Finding the Fourth Proportional to 198,397.89, 273,791.07 and 107,755.63

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Solution

The fourth proportional to 198,397.89, 273,791.07 and 107,755.63 is: 148,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,397.89 : 273,791.07 = 107,755.63 : x
  2. Step 2: Convert to fraction form
    198,397.89/273,791.07 = 107,755.63/x
  3. Step 3: Cross multiply
    198,397.89x = 273,791.07 × 107,755.63
  4. Step 4: Simplify right side
    198,397.89x = 29,502,527,328.49
  5. Step 5: Solve for x
    x = 29,502,527,328.49/198,397.89
  6. Step 6: Final answer
    x = 148,703.84

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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.