Home / 90,922.34-136,380.32-27,739.91

Finding the Fourth Proportional to 90,922.34, 136,380.32 and 27,739.91

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Solution

The fourth proportional to 90,922.34, 136,380.32 and 27,739.91 is: 41,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.34 : 136,380.32 = 27,739.91 : x
  2. Step 2: Convert to fraction form
    90,922.34/136,380.32 = 27,739.91/x
  3. Step 3: Cross multiply
    90,922.34x = 136,380.32 × 27,739.91
  4. Step 4: Simplify right side
    90,922.34x = 3,783,177,802.57
  5. Step 5: Solve for x
    x = 3,783,177,802.57/90,922.34
  6. Step 6: Final answer
    x = 41,608.89

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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.