Finding the Fourth Proportional to 120,183.96, 165,859.02 and 66,468.96
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Solution
The fourth proportional to 120,183.96, 165,859.02 and 66,468.96 is: 91,730.02
Step by Step Solution
- Step 1: Write the proportion equation
120,183.96 : 165,859.02 = 66,468.96 : x - Step 2: Convert to fraction form
120,183.96/165,859.02 = 66,468.96/x - Step 3: Cross multiply
120,183.96x = 165,859.02 × 66,468.96 - Step 4: Simplify right side
120,183.96x = 11,024,476,566.02 - Step 5: Solve for x
x = 11,024,476,566.02/120,183.96 - Step 6: Final answer
x = 91,730.02
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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.