Home / 212,906.36-293,800.88-122,198.48

Finding the Fourth Proportional to 212,906.36, 293,800.88 and 122,198.48

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Solution

The fourth proportional to 212,906.36, 293,800.88 and 122,198.48 is: 168,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,906.36 : 293,800.88 = 122,198.48 : x
  2. Step 2: Convert to fraction form
    212,906.36/293,800.88 = 122,198.48/x
  3. Step 3: Cross multiply
    212,906.36x = 293,800.88 × 122,198.48
  4. Step 4: Simplify right side
    212,906.36x = 35,902,020,958.66
  5. Step 5: Solve for x
    x = 35,902,020,958.66/212,906.36
  6. Step 6: Final answer
    x = 168,628.22

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1.5x scale

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.