Finding the Fourth Proportional to 136,553.25, 204,687.73 and 76,493.68
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Solution
The fourth proportional to 136,553.25, 204,687.73 and 76,493.68 is: 114,660.89
Step by Step Solution
- Step 1: Write the proportion equation
136,553.25 : 204,687.73 = 76,493.68 : x - Step 2: Convert to fraction form
136,553.25/204,687.73 = 76,493.68/x - Step 3: Cross multiply
136,553.25x = 204,687.73 × 76,493.68 - Step 4: Simplify right side
136,553.25x = 15,657,317,718.55 - Step 5: Solve for x
x = 15,657,317,718.55/136,553.25 - Step 6: Final answer
x = 114,660.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.