Home / 198,397.39-273,790.38-107,755.13

Finding the Fourth Proportional to 198,397.39, 273,790.38 and 107,755.13

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Solution

The fourth proportional to 198,397.39, 273,790.38 and 107,755.13 is: 148,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,397.39 : 273,790.38 = 107,755.13 : x
  2. Step 2: Convert to fraction form
    198,397.39/273,790.38 = 107,755.13/x
  3. Step 3: Cross multiply
    198,397.39x = 273,790.38 × 107,755.13
  4. Step 4: Simplify right side
    198,397.39x = 29,502,316,081.92
  5. Step 5: Solve for x
    x = 29,502,316,081.92/198,397.39
  6. Step 6: Final answer
    x = 148,703.15

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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.