Home / 212,198.88-292,795.38-126,186.60

Finding the Fourth Proportional to 212,198.88, 292,795.38 and 126,186.60

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Solution

The fourth proportional to 212,198.88, 292,795.38 and 126,186.60 is: 174,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,198.88 : 292,795.38 = 126,186.60 : x
  2. Step 2: Convert to fraction form
    212,198.88/292,795.38 = 126,186.60/x
  3. Step 3: Cross multiply
    212,198.88x = 292,795.38 × 126,186.60
  4. Step 4: Simplify right side
    212,198.88x = 36,946,853,497.91
  5. Step 5: Solve for x
    x = 36,946,853,497.91/212,198.88
  6. Step 6: Final answer
    x = 174,114.27

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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.