Finding the Fourth Proportional to 113,846.97, 157,096.89 and 66,090.99
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Solution
The fourth proportional to 113,846.97, 157,096.89 and 66,090.99 is: 91,198.64
Step by Step Solution
- Step 1: Write the proportion equation
113,846.97 : 157,096.89 = 66,090.99 : x - Step 2: Convert to fraction form
113,846.97/157,096.89 = 66,090.99/x - Step 3: Cross multiply
113,846.97x = 157,096.89 × 66,090.99 - Step 4: Simplify right side
113,846.97x = 10,382,688,986.02 - Step 5: Solve for x
x = 10,382,688,986.02/113,846.97 - Step 6: Final answer
x = 91,198.64
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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.