Finding the Fourth Proportional to 146,790.99, 202,660.97 and 137,744.10
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Solution
The fourth proportional to 146,790.99, 202,660.97 and 137,744.10 is: 190,170.75
Step by Step Solution
- Step 1: Write the proportion equation
146,790.99 : 202,660.97 = 137,744.10 : x - Step 2: Convert to fraction form
146,790.99/202,660.97 = 137,744.10/x - Step 3: Cross multiply
146,790.99x = 202,660.97 × 137,744.10 - Step 4: Simplify right side
146,790.99x = 27,915,352,229.06 - Step 5: Solve for x
x = 27,915,352,229.06/146,790.99 - Step 6: Final answer
x = 190,170.75
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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.