Finding the Fourth Proportional to 119,733.26, 165,219.26 and 66,015.09
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Solution
The fourth proportional to 119,733.26, 165,219.26 and 66,015.09 is: 91,093.86
Step by Step Solution
- Step 1: Write the proportion equation
119,733.26 : 165,219.26 = 66,015.09 : x - Step 2: Convert to fraction form
119,733.26/165,219.26 = 66,015.09/x - Step 3: Cross multiply
119,733.26x = 165,219.26 × 66,015.09 - Step 4: Simplify right side
119,733.26x = 10,906,963,988.56 - Step 5: Solve for x
x = 10,906,963,988.56/119,733.26 - Step 6: Final answer
x = 91,093.86
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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.