Finding the Fourth Proportional to 99,135.22, 148,391.79 and 52,245.94
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Solution
The fourth proportional to 99,135.22, 148,391.79 and 52,245.94 is: 78,204.99
Step by Step Solution
- Step 1: Write the proportion equation
99,135.22 : 148,391.79 = 52,245.94 : x - Step 2: Convert to fraction form
99,135.22/148,391.79 = 52,245.94/x - Step 3: Cross multiply
99,135.22x = 148,391.79 × 52,245.94 - Step 4: Simplify right side
99,135.22x = 7,752,868,556.83 - Step 5: Solve for x
x = 7,752,868,556.83/99,135.22 - Step 6: Final answer
x = 78,204.99
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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.