Home / 212,922.64-293,839.80-122,296.78

Finding the Fourth Proportional to 212,922.64, 293,839.80 and 122,296.78

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Solution

The fourth proportional to 212,922.64, 293,839.80 and 122,296.78 is: 168,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,922.64 : 293,839.80 = 122,296.78 : x
  2. Step 2: Convert to fraction form
    212,922.64/293,839.80 = 122,296.78/x
  3. Step 3: Cross multiply
    212,922.64x = 293,839.80 × 122,296.78
  4. Step 4: Simplify right side
    212,922.64x = 35,935,661,972.45
  5. Step 5: Solve for x
    x = 35,935,661,972.45/212,922.64
  6. Step 6: Final answer
    x = 168,773.33

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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.