Finding the Fourth Proportional to 127,331.93, 175,722.82 and 76,352.96
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Solution
The fourth proportional to 127,331.93, 175,722.82 and 76,352.96 is: 105,369.94
Step by Step Solution
- Step 1: Write the proportion equation
127,331.93 : 175,722.82 = 76,352.96 : x - Step 2: Convert to fraction form
127,331.93/175,722.82 = 76,352.96/x - Step 3: Cross multiply
127,331.93x = 175,722.82 × 76,352.96 - Step 4: Simplify right side
127,331.93x = 13,416,957,694.97 - Step 5: Solve for x
x = 13,416,957,694.97/127,331.93 - Step 6: Final answer
x = 105,369.94
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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.