Finding the Fourth Proportional to 135,922.97, 187,577.75 and 82,217.81
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Solution
The fourth proportional to 135,922.97, 187,577.75 and 82,217.81 is: 113,463.03
Step by Step Solution
- Step 1: Write the proportion equation
135,922.97 : 187,577.75 = 82,217.81 : x - Step 2: Convert to fraction form
135,922.97/187,577.75 = 82,217.81/x - Step 3: Cross multiply
135,922.97x = 187,577.75 × 82,217.81 - Step 4: Simplify right side
135,922.97x = 15,422,231,077.38 - Step 5: Solve for x
x = 15,422,231,077.38/135,922.97 - Step 6: Final answer
x = 113,463.03
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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.