Home / 194,042.97-290,965.83-88,771.72

Finding the Fourth Proportional to 194,042.97, 290,965.83 and 88,771.72

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Solution

The fourth proportional to 194,042.97, 290,965.83 and 88,771.72 is: 133,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,042.97 : 290,965.83 = 88,771.72 : x
  2. Step 2: Convert to fraction form
    194,042.97/290,965.83 = 88,771.72/x
  3. Step 3: Cross multiply
    194,042.97x = 290,965.83 × 88,771.72
  4. Step 4: Simplify right side
    194,042.97x = 25,829,537,190.33
  5. Step 5: Solve for x
    x = 25,829,537,190.33/194,042.97
  6. Step 6: Final answer
    x = 133,112.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.