Home / 139,249.63-192,164.82-75,587.41

Finding the Fourth Proportional to 139,249.63, 192,164.82 and 75,587.41

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Solution

The fourth proportional to 139,249.63, 192,164.82 and 75,587.41 is: 104,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,249.63 : 192,164.82 = 75,587.41 : x
  2. Step 2: Convert to fraction form
    139,249.63/192,164.82 = 75,587.41/x
  3. Step 3: Cross multiply
    139,249.63x = 192,164.82 × 75,587.41
  4. Step 4: Simplify right side
    139,249.63x = 14,525,240,076.09
  5. Step 5: Solve for x
    x = 14,525,240,076.09/139,249.63
  6. Step 6: Final answer
    x = 104,310.80

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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.