Home / 198,730.80-274,494.62-144,195.46

Finding the Fourth Proportional to 198,730.80, 274,494.62 and 144,195.46

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Solution

The fourth proportional to 198,730.80, 274,494.62 and 144,195.46 is: 199,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,730.80 : 274,494.62 = 144,195.46 : x
  2. Step 2: Convert to fraction form
    198,730.80/274,494.62 = 144,195.46/x
  3. Step 3: Cross multiply
    198,730.80x = 274,494.62 × 144,195.46
  4. Step 4: Simplify right side
    198,730.80x = 39,580,877,672.68
  5. Step 5: Solve for x
    x = 39,580,877,672.68/198,730.80
  6. Step 6: Final answer
    x = 199,168.31

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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.