Home / 90,614.30-135,940.28-27,437.94

Finding the Fourth Proportional to 90,614.30, 135,940.28 and 27,437.94

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Solution

The fourth proportional to 90,614.30, 135,940.28 and 27,437.94 is: 41,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614.30 : 135,940.28 = 27,437.94 : x
  2. Step 2: Convert to fraction form
    90,614.30/135,940.28 = 27,437.94/x
  3. Step 3: Cross multiply
    90,614.30x = 135,940.28 × 27,437.94
  4. Step 4: Simplify right side
    90,614.30x = 3,729,921,109.03
  5. Step 5: Solve for x
    x = 3,729,921,109.03/90,614.30
  6. Step 6: Final answer
    x = 41,162.61

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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.