Finding the Fourth Proportional to 146,674.20, 202,393.60 and 82,134.44
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Solution
The fourth proportional to 146,674.20, 202,393.60 and 82,134.44 is: 113,336.12
Step by Step Solution
- Step 1: Write the proportion equation
146,674.20 : 202,393.60 = 82,134.44 : x - Step 2: Convert to fraction form
146,674.20/202,393.60 = 82,134.44/x - Step 3: Cross multiply
146,674.20x = 202,393.60 × 82,134.44 - Step 4: Simplify right side
146,674.20x = 16,623,484,995.58 - Step 5: Solve for x
x = 16,623,484,995.58/146,674.20 - Step 6: Final answer
x = 113,336.12
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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.