Finding the Fourth Proportional to 146,013.75, 201,316.42 and 121,849.53
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Solution
The fourth proportional to 146,013.75, 201,316.42 and 121,849.53 is: 168,000.00
Step by Step Solution
- Step 1: Write the proportion equation
146,013.75 : 201,316.42 = 121,849.53 : x - Step 2: Convert to fraction form
146,013.75/201,316.42 = 121,849.53/x - Step 3: Cross multiply
146,013.75x = 201,316.42 × 121,849.53 - Step 4: Simplify right side
146,013.75x = 24,530,310,555.66 - Step 5: Solve for x
x = 24,530,310,555.66/146,013.75 - Step 6: Final answer
x = 168,000.00
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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.