Finding the Fourth Proportional to 146,181.57, 201,738.68 and 103,174.82
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Solution
The fourth proportional to 146,181.57, 201,738.68 and 103,174.82 is: 142,386.98
Step by Step Solution
- Step 1: Write the proportion equation
146,181.57 : 201,738.68 = 103,174.82 : x - Step 2: Convert to fraction form
146,181.57/201,738.68 = 103,174.82/x - Step 3: Cross multiply
146,181.57x = 201,738.68 × 103,174.82 - Step 4: Simplify right side
146,181.57x = 20,814,351,996.04 - Step 5: Solve for x
x = 20,814,351,996.04/146,181.57 - Step 6: Final answer
x = 142,386.98
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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.