Finding the Fourth Proportional to 136,361.12, 188,192.92 and 79,819.92
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Solution
The fourth proportional to 136,361.12, 188,192.92 and 79,819.92 is: 110,160.02
Step by Step Solution
- Step 1: Write the proportion equation
136,361.12 : 188,192.92 = 79,819.92 : x - Step 2: Convert to fraction form
136,361.12/188,192.92 = 79,819.92/x - Step 3: Cross multiply
136,361.12x = 188,192.92 × 79,819.92 - Step 4: Simplify right side
136,361.12x = 15,021,543,818.97 - Step 5: Solve for x
x = 15,021,543,818.97/136,361.12 - Step 6: Final answer
x = 110,160.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.