Finding the Fourth Proportional to 120,363.24, 166,120.02 and 68,680.44
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Solution
The fourth proportional to 120,363.24, 166,120.02 and 68,680.44 is: 94,789.71
Step by Step Solution
- Step 1: Write the proportion equation
120,363.24 : 166,120.02 = 68,680.44 : x - Step 2: Convert to fraction form
120,363.24/166,120.02 = 68,680.44/x - Step 3: Cross multiply
120,363.24x = 166,120.02 × 68,680.44 - Step 4: Simplify right side
120,363.24x = 11,409,196,066.41 - Step 5: Solve for x
x = 11,409,196,066.41/120,363.24 - Step 6: Final answer
x = 94,789.71
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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.