Finding the Fourth Proportional to 103,168.14, 154,745.84 and 36,599.50
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Solution
The fourth proportional to 103,168.14, 154,745.84 and 36,599.50 is: 54,896.99
Step by Step Solution
- Step 1: Write the proportion equation
103,168.14 : 154,745.84 = 36,599.50 : x - Step 2: Convert to fraction form
103,168.14/154,745.84 = 36,599.50/x - Step 3: Cross multiply
103,168.14x = 154,745.84 × 36,599.50 - Step 4: Simplify right side
103,168.14x = 5,663,620,371.08 - Step 5: Solve for x
x = 5,663,620,371.08/103,168.14 - Step 6: Final answer
x = 54,896.99
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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.