Finding the Fourth Proportional to 136,582.02, 188,190.81 and 91,792.26
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Solution
The fourth proportional to 136,582.02, 188,190.81 and 91,792.26 is: 126,476.82
Step by Step Solution
- Step 1: Write the proportion equation
136,582.02 : 188,190.81 = 91,792.26 : x - Step 2: Convert to fraction form
136,582.02/188,190.81 = 91,792.26/x - Step 3: Cross multiply
136,582.02x = 188,190.81 × 91,792.26 - Step 4: Simplify right side
136,582.02x = 17,274,459,761.13 - Step 5: Solve for x
x = 17,274,459,761.13/136,582.02 - Step 6: Final answer
x = 126,476.82
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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.