Finding the Fourth Proportional to 136,486.41, 188,297.54 and 91,193.97
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Solution
The fourth proportional to 136,486.41, 188,297.54 and 91,193.97 is: 125,811.80
Step by Step Solution
- Step 1: Write the proportion equation
136,486.41 : 188,297.54 = 91,193.97 : x - Step 2: Convert to fraction form
136,486.41/188,297.54 = 91,193.97/x - Step 3: Cross multiply
136,486.41x = 188,297.54 × 91,193.97 - Step 4: Simplify right side
136,486.41x = 17,171,600,805.96 - Step 5: Solve for x
x = 17,171,600,805.96/136,486.41 - Step 6: Final answer
x = 125,811.80
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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.