Home / 193,268.49-266,712.72-107,229.06

Finding the Fourth Proportional to 193,268.49, 266,712.72 and 107,229.06

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Solution

The fourth proportional to 193,268.49, 266,712.72 and 107,229.06 is: 147,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,268.49 : 266,712.72 = 107,229.06 : x
  2. Step 2: Convert to fraction form
    193,268.49/266,712.72 = 107,229.06/x
  3. Step 3: Cross multiply
    193,268.49x = 266,712.72 × 107,229.06
  4. Step 4: Simplify right side
    193,268.49x = 28,599,354,255.64
  5. Step 5: Solve for x
    x = 28,599,354,255.64/193,268.49
  6. Step 6: Final answer
    x = 147,977.33

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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.