Home / 90,814.61-136,227.03-27,636.79

Finding the Fourth Proportional to 90,814.61, 136,227.03 and 27,636.79

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Solution

The fourth proportional to 90,814.61, 136,227.03 and 27,636.79 is: 41,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,814.61 : 136,227.03 = 27,636.79 : x
  2. Step 2: Convert to fraction form
    90,814.61/136,227.03 = 27,636.79/x
  3. Step 3: Cross multiply
    90,814.61x = 136,227.03 × 27,636.79
  4. Step 4: Simplify right side
    90,814.61x = 3,764,877,139.30
  5. Step 5: Solve for x
    x = 3,764,877,139.30/90,814.61
  6. Step 6: Final answer
    x = 41,456.73

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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.