Home / 122,128.98-183,224.45-51,039.33

Finding the Fourth Proportional to 122,128.98, 183,224.45 and 51,039.33

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Solution

The fourth proportional to 122,128.98, 183,224.45 and 51,039.33 is: 76,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,128.98 : 183,224.45 = 51,039.33 : x
  2. Step 2: Convert to fraction form
    122,128.98/183,224.45 = 51,039.33/x
  3. Step 3: Cross multiply
    122,128.98x = 183,224.45 × 51,039.33
  4. Step 4: Simplify right side
    122,128.98x = 9,351,653,167.62
  5. Step 5: Solve for x
    x = 9,351,653,167.62/122,128.98
  6. Step 6: Final answer
    x = 76,571.94

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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.