Finding the Fourth Proportional to 136,639.05, 204,935.31 and 36,776.99
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Solution
The fourth proportional to 136,639.05, 204,935.31 and 36,776.99 is: 55,159.22
Step by Step Solution
- Step 1: Write the proportion equation
136,639.05 : 204,935.31 = 36,776.99 : x - Step 2: Convert to fraction form
136,639.05/204,935.31 = 36,776.99/x - Step 3: Cross multiply
136,639.05x = 204,935.31 × 36,776.99 - Step 4: Simplify right side
136,639.05x = 7,536,902,821.84 - Step 5: Solve for x
x = 7,536,902,821.84/136,639.05 - Step 6: Final answer
x = 55,159.22
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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.