Finding the Fourth Proportional to 171,110.24, 236,161.26 and 99,531.75
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Solution
The fourth proportional to 171,110.24, 236,161.26 and 99,531.75 is: 137,370.76
Step by Step Solution
- Step 1: Write the proportion equation
171,110.24 : 236,161.26 = 99,531.75 : x - Step 2: Convert to fraction form
171,110.24/236,161.26 = 99,531.75/x - Step 3: Cross multiply
171,110.24x = 236,161.26 × 99,531.75 - Step 4: Simplify right side
171,110.24x = 23,505,543,490.01 - Step 5: Solve for x
x = 23,505,543,490.01/171,110.24 - Step 6: Final answer
x = 137,370.76
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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.