Finding the Fourth Proportional to 111,239.29, 166,664.53 and 92,638.99
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Solution
The fourth proportional to 111,239.29, 166,664.53 and 92,638.99 is: 138,796.59
Step by Step Solution
- Step 1: Write the proportion equation
111,239.29 : 166,664.53 = 92,638.99 : x - Step 2: Convert to fraction form
111,239.29/166,664.53 = 92,638.99/x - Step 3: Cross multiply
111,239.29x = 166,664.53 × 92,638.99 - Step 4: Simplify right side
111,239.29x = 15,439,633,728.02 - Step 5: Solve for x
x = 15,439,633,728.02/111,239.29 - Step 6: Final answer
x = 138,796.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.