Home / 197,940.80-296,703.84-127,968.32

Finding the Fourth Proportional to 197,940.80, 296,703.84 and 127,968.32

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Solution

The fourth proportional to 197,940.80, 296,703.84 and 127,968.32 is: 191,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,940.80 : 296,703.84 = 127,968.32 : x
  2. Step 2: Convert to fraction form
    197,940.80/296,703.84 = 127,968.32/x
  3. Step 3: Cross multiply
    197,940.80x = 296,703.84 × 127,968.32
  4. Step 4: Simplify right side
    197,940.80x = 37,968,691,942.35
  5. Step 5: Solve for x
    x = 37,968,691,942.35/197,940.80
  6. Step 6: Final answer
    x = 191,818.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.