Finding the Fourth Proportional to 119,740.11, 165,242.49 and 66,027.09
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Solution
The fourth proportional to 119,740.11, 165,242.49 and 66,027.09 is: 91,118.01
Step by Step Solution
- Step 1: Write the proportion equation
119,740.11 : 165,242.49 = 66,027.09 : x - Step 2: Convert to fraction form
119,740.11/165,242.49 = 66,027.09/x - Step 3: Cross multiply
119,740.11x = 165,242.49 × 66,027.09 - Step 4: Simplify right side
119,740.11x = 10,910,480,759.05 - Step 5: Solve for x
x = 10,910,480,759.05/119,740.11 - Step 6: Final answer
x = 91,118.01
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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.