Finding the Fourth Proportional to 122,508.44, 169,059.60 and 68,793.56
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Solution
The fourth proportional to 122,508.44, 169,059.60 and 68,793.56 is: 94,933.96
Step by Step Solution
- Step 1: Write the proportion equation
122,508.44 : 169,059.60 = 68,793.56 : x - Step 2: Convert to fraction form
122,508.44/169,059.60 = 68,793.56/x - Step 3: Cross multiply
122,508.44x = 169,059.60 × 68,793.56 - Step 4: Simplify right side
122,508.44x = 11,630,211,736.18 - Step 5: Solve for x
x = 11,630,211,736.18/122,508.44 - Step 6: Final answer
x = 94,933.96
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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.