Finding the Fourth Proportional to 112,125.25, 154,745.96 and 63,734.45
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Solution
The fourth proportional to 112,125.25, 154,745.96 and 63,734.45 is: 87,960.99
Step by Step Solution
- Step 1: Write the proportion equation
112,125.25 : 154,745.96 = 63,734.45 : x - Step 2: Convert to fraction form
112,125.25/154,745.96 = 63,734.45/x - Step 3: Cross multiply
112,125.25x = 154,745.96 × 63,734.45 - Step 4: Simplify right side
112,125.25x = 9,862,647,916.43 - Step 5: Solve for x
x = 9,862,647,916.43/112,125.25 - Step 6: Final answer
x = 87,960.99
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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.