Finding the Fourth Proportional to 141,274.07, 194,958.29 and 77,615.96
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Solution
The fourth proportional to 141,274.07, 194,958.29 and 77,615.96 is: 107,110.07
Step by Step Solution
- Step 1: Write the proportion equation
141,274.07 : 194,958.29 = 77,615.96 : x - Step 2: Convert to fraction form
141,274.07/194,958.29 = 77,615.96/x - Step 3: Cross multiply
141,274.07x = 194,958.29 × 77,615.96 - Step 4: Simplify right side
141,274.07x = 15,131,874,450.23 - Step 5: Solve for x
x = 15,131,874,450.23/141,274.07 - Step 6: Final answer
x = 107,110.07
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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.