Finding the Fourth Proportional to 127,957.79, 176,524.62 and 74,211.68
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Solution
The fourth proportional to 127,957.79, 176,524.62 and 74,211.68 is: 102,378.98
Step by Step Solution
- Step 1: Write the proportion equation
127,957.79 : 176,524.62 = 74,211.68 : x - Step 2: Convert to fraction form
127,957.79/176,524.62 = 74,211.68/x - Step 3: Cross multiply
127,957.79x = 176,524.62 × 74,211.68 - Step 4: Simplify right side
127,957.79x = 13,100,188,611.56 - Step 5: Solve for x
x = 13,100,188,611.56/127,957.79 - Step 6: Final answer
x = 102,378.98
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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.