Finding the Fourth Proportional to 99,604.68, 149,160.97 and 74,243.37
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Solution
The fourth proportional to 99,604.68, 149,160.97 and 74,243.37 is: 111,181.65
Step by Step Solution
- Step 1: Write the proportion equation
99,604.68 : 149,160.97 = 74,243.37 : x - Step 2: Convert to fraction form
99,604.68/149,160.97 = 74,243.37/x - Step 3: Cross multiply
99,604.68x = 149,160.97 × 74,243.37 - Step 4: Simplify right side
99,604.68x = 11,074,213,085.27 - Step 5: Solve for x
x = 11,074,213,085.27/99,604.68 - Step 6: Final answer
x = 111,181.65
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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.