Finding the Fourth Proportional to 125,213.97, 172,694.75 and 110,074.53
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Solution
The fourth proportional to 125,213.97, 172,694.75 and 110,074.53 is: 151,814.48
Step by Step Solution
- Step 1: Write the proportion equation
125,213.97 : 172,694.75 = 110,074.53 : x - Step 2: Convert to fraction form
125,213.97/172,694.75 = 110,074.53/x - Step 3: Cross multiply
125,213.97x = 172,694.75 × 110,074.53 - Step 4: Simplify right side
125,213.97x = 19,009,293,439.72 - Step 5: Solve for x
x = 19,009,293,439.72/125,213.97 - Step 6: Final answer
x = 151,814.48
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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.