Finding the Fourth Proportional to 109,700.26, 164,439.60 and 43,187.07
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Solution
The fourth proportional to 109,700.26, 164,439.60 and 43,187.07 is: 64,736.99
Step by Step Solution
- Step 1: Write the proportion equation
109,700.26 : 164,439.60 = 43,187.07 : x - Step 2: Convert to fraction form
109,700.26/164,439.60 = 43,187.07/x - Step 3: Cross multiply
109,700.26x = 164,439.60 × 43,187.07 - Step 4: Simplify right side
109,700.26x = 7,101,664,515.97 - Step 5: Solve for x
x = 7,101,664,515.97/109,700.26 - Step 6: Final answer
x = 64,736.99
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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.