Home / 193,062.88-266,437.44-108,207.20

Finding the Fourth Proportional to 193,062.88, 266,437.44 and 108,207.20

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Solution

The fourth proportional to 193,062.88, 266,437.44 and 108,207.20 is: 149,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,062.88 : 266,437.44 = 108,207.20 : x
  2. Step 2: Convert to fraction form
    193,062.88/266,437.44 = 108,207.20/x
  3. Step 3: Cross multiply
    193,062.88x = 266,437.44 × 108,207.20
  4. Step 4: Simplify right side
    193,062.88x = 28,830,449,357.57
  5. Step 5: Solve for x
    x = 28,830,449,357.57/193,062.88
  6. Step 6: Final answer
    x = 149,331.91

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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.