Home / 90,694.22-136,041.65-27,514.89

Finding the Fourth Proportional to 90,694.22, 136,041.65 and 27,514.89

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Solution

The fourth proportional to 90,694.22, 136,041.65 and 27,514.89 is: 41,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,694.22 : 136,041.65 = 27,514.89 : x
  2. Step 2: Convert to fraction form
    90,694.22/136,041.65 = 27,514.89/x
  3. Step 3: Cross multiply
    90,694.22x = 136,041.65 × 27,514.89
  4. Step 4: Simplify right side
    90,694.22x = 3,743,171,000.77
  5. Step 5: Solve for x
    x = 3,743,171,000.77/90,694.22
  6. Step 6: Final answer
    x = 41,272.43

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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.