Home / 137,942.94-190,194.27-107,324.94

Finding the Fourth Proportional to 137,942.94, 190,194.27 and 107,324.94

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Solution

The fourth proportional to 137,942.94, 190,194.27 and 107,324.94 is: 147,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,942.94 : 190,194.27 = 107,324.94 : x
  2. Step 2: Convert to fraction form
    137,942.94/190,194.27 = 107,324.94/x
  3. Step 3: Cross multiply
    137,942.94x = 190,194.27 × 107,324.94
  4. Step 4: Simplify right side
    137,942.94x = 20,412,588,616.09
  5. Step 5: Solve for x
    x = 20,412,588,616.09/137,942.94
  6. Step 6: Final answer
    x = 147,978.49

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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.