Finding the Fourth Proportional to 119,713.26, 165,203.64 and 65,998.08
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Solution
The fourth proportional to 119,713.26, 165,203.64 and 65,998.08 is: 91,076.99
Step by Step Solution
- Step 1: Write the proportion equation
119,713.26 : 165,203.64 = 65,998.08 : x - Step 2: Convert to fraction form
119,713.26/165,203.64 = 65,998.08/x - Step 3: Cross multiply
119,713.26x = 165,203.64 × 65,998.08 - Step 4: Simplify right side
119,713.26x = 10,903,123,049.01 - Step 5: Solve for x
x = 10,903,123,049.01/119,713.26 - Step 6: Final answer
x = 91,076.99
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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.