Finding the Fourth Proportional to 120,144.33, 165,795.10 and 69,149.99
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Solution
The fourth proportional to 120,144.33, 165,795.10 and 69,149.99 is: 95,424.64
Step by Step Solution
- Step 1: Write the proportion equation
120,144.33 : 165,795.10 = 69,149.99 : x - Step 2: Convert to fraction form
120,144.33/165,795.10 = 69,149.99/x - Step 3: Cross multiply
120,144.33x = 165,795.10 × 69,149.99 - Step 4: Simplify right side
120,144.33x = 11,464,729,205.03 - Step 5: Solve for x
x = 11,464,729,205.03/120,144.33 - Step 6: Final answer
x = 95,424.64
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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.