Finding the Fourth Proportional to 146,664.75, 202,397.36 and 79,596.75
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Solution
The fourth proportional to 146,664.75, 202,397.36 and 79,596.75 is: 109,843.52
Step by Step Solution
- Step 1: Write the proportion equation
146,664.75 : 202,397.36 = 79,596.75 : x - Step 2: Convert to fraction form
146,664.75/202,397.36 = 79,596.75/x - Step 3: Cross multiply
146,664.75x = 202,397.36 × 79,596.75 - Step 4: Simplify right side
146,664.75x = 16,110,171,666.60 - Step 5: Solve for x
x = 16,110,171,666.60/146,664.75 - Step 6: Final answer
x = 109,843.52
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1.5x scale
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.