Home / 188,076.60-259,546.02-103,194.27

Finding the Fourth Proportional to 188,076.60, 259,546.02 and 103,194.27

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Solution

The fourth proportional to 188,076.60, 259,546.02 and 103,194.27 is: 142,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,076.60 : 259,546.02 = 103,194.27 : x
  2. Step 2: Convert to fraction form
    188,076.60/259,546.02 = 103,194.27/x
  3. Step 3: Cross multiply
    188,076.60x = 259,546.02 × 103,194.27
  4. Step 4: Simplify right side
    188,076.60x = 26,783,662,065.31
  5. Step 5: Solve for x
    x = 26,783,662,065.31/188,076.60
  6. Step 6: Final answer
    x = 142,408.26

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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.