Home / 188,223.03-259,738.70-107,659.41

Finding the Fourth Proportional to 188,223.03, 259,738.70 and 107,659.41

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Solution

The fourth proportional to 188,223.03, 259,738.70 and 107,659.41 is: 148,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,223.03 : 259,738.70 = 107,659.41 : x
  2. Step 2: Convert to fraction form
    188,223.03/259,738.70 = 107,659.41/x
  3. Step 3: Cross multiply
    188,223.03x = 259,738.70 × 107,659.41
  4. Step 4: Simplify right side
    188,223.03x = 27,963,314,657.87
  5. Step 5: Solve for x
    x = 27,963,314,657.87/188,223.03
  6. Step 6: Final answer
    x = 148,564.79

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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.