Home / 122,011.62-183,048.97-71,453.33

Finding the Fourth Proportional to 122,011.62, 183,048.97 and 71,453.33

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Solution

The fourth proportional to 122,011.62, 183,048.97 and 71,453.33 is: 107,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,011.62 : 183,048.97 = 71,453.33 : x
  2. Step 2: Convert to fraction form
    122,011.62/183,048.97 = 71,453.33/x
  3. Step 3: Cross multiply
    122,011.62x = 183,048.97 × 71,453.33
  4. Step 4: Simplify right side
    122,011.62x = 13,079,458,459.57
  5. Step 5: Solve for x
    x = 13,079,458,459.57/122,011.62
  6. Step 6: Final answer
    x = 107,198.47

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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.