Home / 212,906.12-293,800.53-122,198.24

Finding the Fourth Proportional to 212,906.12, 293,800.53 and 122,198.24

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Solution

The fourth proportional to 212,906.12, 293,800.53 and 122,198.24 is: 168,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,906.12 : 293,800.53 = 122,198.24 : x
  2. Step 2: Convert to fraction form
    212,906.12/293,800.53 = 122,198.24/x
  3. Step 3: Cross multiply
    212,906.12x = 293,800.53 × 122,198.24
  4. Step 4: Simplify right side
    212,906.12x = 35,901,906,208.06
  5. Step 5: Solve for x
    x = 35,901,906,208.06/212,906.12
  6. Step 6: Final answer
    x = 168,627.88

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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.