Home / 123,676.20-185,514.30-30,181.95

Finding the Fourth Proportional to 123,676.20, 185,514.30 and 30,181.95

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Solution

The fourth proportional to 123,676.20, 185,514.30 and 30,181.95 is: 45,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,676.20 : 185,514.30 = 30,181.95 : x
  2. Step 2: Convert to fraction form
    123,676.20/185,514.30 = 30,181.95/x
  3. Step 3: Cross multiply
    123,676.20x = 185,514.30 × 30,181.95
  4. Step 4: Simplify right side
    123,676.20x = 5,599,183,326.89
  5. Step 5: Solve for x
    x = 5,599,183,326.89/123,676.20
  6. Step 6: Final answer
    x = 45,272.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.