Finding the Fourth Proportional to 146,520.54, 201,836.70 and 124,940.07
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Solution
The fourth proportional to 146,520.54, 201,836.70 and 124,940.07 is: 172,108.92
Step by Step Solution
- Step 1: Write the proportion equation
146,520.54 : 201,836.70 = 124,940.07 : x - Step 2: Convert to fraction form
146,520.54/201,836.70 = 124,940.07/x - Step 3: Cross multiply
146,520.54x = 201,836.70 × 124,940.07 - Step 4: Simplify right side
146,520.54x = 25,217,491,426.57 - Step 5: Solve for x
x = 25,217,491,426.57/146,520.54 - Step 6: Final answer
x = 172,108.92
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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.