Home / 137,996.76-190,469.07-84,326.97

Finding the Fourth Proportional to 137,996.76, 190,469.07 and 84,326.97

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Solution

The fourth proportional to 137,996.76, 190,469.07 and 84,326.97 is: 116,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,996.76 : 190,469.07 = 84,326.97 : x
  2. Step 2: Convert to fraction form
    137,996.76/190,469.07 = 84,326.97/x
  3. Step 3: Cross multiply
    137,996.76x = 190,469.07 × 84,326.97
  4. Step 4: Simplify right side
    137,996.76x = 16,061,679,551.82
  5. Step 5: Solve for x
    x = 16,061,679,551.82/137,996.76
  6. Step 6: Final answer
    x = 116,391.71

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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.