Finding the Fourth Proportional to 127,733.85, 176,272.75 and 74,049.98
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Solution
The fourth proportional to 127,733.85, 176,272.75 and 74,049.98 is: 102,188.99
Step by Step Solution
- Step 1: Write the proportion equation
127,733.85 : 176,272.75 = 74,049.98 : x - Step 2: Convert to fraction form
127,733.85/176,272.75 = 74,049.98/x - Step 3: Cross multiply
127,733.85x = 176,272.75 × 74,049.98 - Step 4: Simplify right side
127,733.85x = 13,052,993,612.05 - Step 5: Solve for x
x = 13,052,993,612.05/127,733.85 - Step 6: Final answer
x = 102,188.99
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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.