Home / 139,755.45-192,860.60-76,093.25

Finding the Fourth Proportional to 139,755.45, 192,860.60 and 76,093.25

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Solution

The fourth proportional to 139,755.45, 192,860.60 and 76,093.25 is: 105,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,755.45 : 192,860.60 = 76,093.25 : x
  2. Step 2: Convert to fraction form
    139,755.45/192,860.60 = 76,093.25/x
  3. Step 3: Cross multiply
    139,755.45x = 192,860.60 × 76,093.25
  4. Step 4: Simplify right side
    139,755.45x = 14,675,389,048.60
  5. Step 5: Solve for x
    x = 14,675,389,048.60/139,755.45
  6. Step 6: Final answer
    x = 105,007.63

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1.5x scale

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.