Home / 198,397.61-273,790.68-107,755.35

Finding the Fourth Proportional to 198,397.61, 273,790.68 and 107,755.35

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Solution

The fourth proportional to 198,397.61, 273,790.68 and 107,755.35 is: 148,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,397.61 : 273,790.68 = 107,755.35 : x
  2. Step 2: Convert to fraction form
    198,397.61/273,790.68 = 107,755.35/x
  3. Step 3: Cross multiply
    198,397.61x = 273,790.68 × 107,755.35
  4. Step 4: Simplify right side
    198,397.61x = 29,502,410,550.14
  5. Step 5: Solve for x
    x = 29,502,410,550.14/198,397.61
  6. Step 6: Final answer
    x = 148,703.46

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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.