Home / 193,031.59-266,390.91-108,145.75

Finding the Fourth Proportional to 193,031.59, 266,390.91 and 108,145.75

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Solution

The fourth proportional to 193,031.59, 266,390.91 and 108,145.75 is: 149,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,031.59 : 266,390.91 = 108,145.75 : x
  2. Step 2: Convert to fraction form
    193,031.59/266,390.91 = 108,145.75/x
  3. Step 3: Cross multiply
    193,031.59x = 266,390.91 × 108,145.75
  4. Step 4: Simplify right side
    193,031.59x = 28,809,044,755.13
  5. Step 5: Solve for x
    x = 28,809,044,755.13/193,031.59
  6. Step 6: Final answer
    x = 149,245.23

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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.