Finding the Fourth Proportional to 116,826.18, 161,219.96 and 66,525.18
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Solution
The fourth proportional to 116,826.18, 161,219.96 and 66,525.18 is: 91,804.65
Step by Step Solution
- Step 1: Write the proportion equation
116,826.18 : 161,219.96 = 66,525.18 : x - Step 2: Convert to fraction form
116,826.18/161,219.96 = 66,525.18/x - Step 3: Cross multiply
116,826.18x = 161,219.96 × 66,525.18 - Step 4: Simplify right side
116,826.18x = 10,725,186,858.59 - Step 5: Solve for x
x = 10,725,186,858.59/116,826.18 - Step 6: Final answer
x = 91,804.65
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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.