Home / 198,727.43-274,147.47-118,097.87

Finding the Fourth Proportional to 198,727.43, 274,147.47 and 118,097.87

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Solution

The fourth proportional to 198,727.43, 274,147.47 and 118,097.87 is: 162,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,727.43 : 274,147.47 = 118,097.87 : x
  2. Step 2: Convert to fraction form
    198,727.43/274,147.47 = 118,097.87/x
  3. Step 3: Cross multiply
    198,727.43x = 274,147.47 × 118,097.87
  4. Step 4: Simplify right side
    198,727.43x = 32,376,230,902.15
  5. Step 5: Solve for x
    x = 32,376,230,902.15/198,727.43
  6. Step 6: Final answer
    x = 162,917.78

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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.