Home / 86,100.36-118,819.62-52,108.44

Finding the Fourth Proportional to 86,100.36, 118,819.62 and 52,108.44

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Solution

The fourth proportional to 86,100.36, 118,819.62 and 52,108.44 is: 71,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,100.36 : 118,819.62 = 52,108.44 : x
  2. Step 2: Convert to fraction form
    86,100.36/118,819.62 = 52,108.44/x
  3. Step 3: Cross multiply
    86,100.36x = 118,819.62 × 52,108.44
  4. Step 4: Simplify right side
    86,100.36x = 6,191,505,039.59
  5. Step 5: Solve for x
    x = 6,191,505,039.59/86,100.36
  6. Step 6: Final answer
    x = 71,910.33

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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.