Finding the Fourth Proportional to 112,193.35, 168,135.67 and 48,074.74
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Solution
The fourth proportional to 112,193.35, 168,135.67 and 48,074.74 is: 72,045.97
Step by Step Solution
- Step 1: Write the proportion equation
112,193.35 : 168,135.67 = 48,074.74 : x - Step 2: Convert to fraction form
112,193.35/168,135.67 = 48,074.74/x - Step 3: Cross multiply
112,193.35x = 168,135.67 × 48,074.74 - Step 4: Simplify right side
112,193.35x = 8,083,078,766.24 - Step 5: Solve for x
x = 8,083,078,766.24/112,193.35 - Step 6: Final answer
x = 72,045.97
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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.