Home / 227,128.77-313,448.27-131,665.41

Finding the Fourth Proportional to 227,128.77, 313,448.27 and 131,665.41

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Solution

The fourth proportional to 227,128.77, 313,448.27 and 131,665.41 is: 181,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,128.77 : 313,448.27 = 131,665.41 : x
  2. Step 2: Convert to fraction form
    227,128.77/313,448.27 = 131,665.41/x
  3. Step 3: Cross multiply
    227,128.77x = 313,448.27 × 131,665.41
  4. Step 4: Simplify right side
    227,128.77x = 41,270,294,325.01
  5. Step 5: Solve for x
    x = 41,270,294,325.01/227,128.77
  6. Step 6: Final answer
    x = 181,704.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.