Finding the Fourth Proportional to 146,451.38, 202,102.92 and 79,383.38
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Solution
The fourth proportional to 146,451.38, 202,102.92 and 79,383.38 is: 109,549.07
Step by Step Solution
- Step 1: Write the proportion equation
146,451.38 : 202,102.92 = 79,383.38 : x - Step 2: Convert to fraction form
146,451.38/202,102.92 = 79,383.38/x - Step 3: Cross multiply
146,451.38x = 202,102.92 × 79,383.38 - Step 4: Simplify right side
146,451.38x = 16,043,611,886.96 - Step 5: Solve for x
x = 16,043,611,886.96/146,451.38 - Step 6: Final answer
x = 109,549.07
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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.