Finding the Fourth Proportional to 119,852.93, 165,396.94 and 66,137.99
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Solution
The fourth proportional to 119,852.93, 165,396.94 and 66,137.99 is: 91,270.36
Step by Step Solution
- Step 1: Write the proportion equation
119,852.93 : 165,396.94 = 66,137.99 : x - Step 2: Convert to fraction form
119,852.93/165,396.94 = 66,137.99/x - Step 3: Cross multiply
119,852.93x = 165,396.94 × 66,137.99 - Step 4: Simplify right side
119,852.93x = 10,939,020,171.42 - Step 5: Solve for x
x = 10,939,020,171.42/119,852.93 - Step 6: Final answer
x = 91,270.36
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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.