Finding the Fourth Proportional to 109,745.19, 164,542.14 and 43,192.96
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Solution
The fourth proportional to 109,745.19, 164,542.14 and 43,192.96 is: 64,759.66
Step by Step Solution
- Step 1: Write the proportion equation
109,745.19 : 164,542.14 = 43,192.96 : x - Step 2: Convert to fraction form
109,745.19/164,542.14 = 43,192.96/x - Step 3: Cross multiply
109,745.19x = 164,542.14 × 43,192.96 - Step 4: Simplify right side
109,745.19x = 7,107,061,659.98 - Step 5: Solve for x
x = 7,107,061,659.98/109,745.19 - Step 6: Final answer
x = 64,759.66
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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.