Home / 236,036.57-354,105.30-76,121.61

Finding the Fourth Proportional to 236,036.57, 354,105.30 and 76,121.61

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Solution

The fourth proportional to 236,036.57, 354,105.30 and 76,121.61 is: 114,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,036.57 : 354,105.30 = 76,121.61 : x
  2. Step 2: Convert to fraction form
    236,036.57/354,105.30 = 76,121.61/x
  3. Step 3: Cross multiply
    236,036.57x = 354,105.30 × 76,121.61
  4. Step 4: Simplify right side
    236,036.57x = 26,955,064,503.09
  5. Step 5: Solve for x
    x = 26,955,064,503.09/236,036.57
  6. Step 6: Final answer
    x = 114,198.68

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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.