Finding the Fourth Proportional to 136,716.18, 205,096.14 and 57,852.96
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Solution
The fourth proportional to 136,716.18, 205,096.14 and 57,852.96 is: 86,788.69
Step by Step Solution
- Step 1: Write the proportion equation
136,716.18 : 205,096.14 = 57,852.96 : x - Step 2: Convert to fraction form
136,716.18/205,096.14 = 57,852.96/x - Step 3: Cross multiply
136,716.18x = 205,096.14 × 57,852.96 - Step 4: Simplify right side
136,716.18x = 11,865,418,783.57 - Step 5: Solve for x
x = 11,865,418,783.57/136,716.18 - Step 6: Final answer
x = 86,788.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.