Finding the Fourth Proportional to 119,911.28, 165,473.24 and 66,195.14
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Solution
The fourth proportional to 119,911.28, 165,473.24 and 66,195.14 is: 91,346.90
Step by Step Solution
- Step 1: Write the proportion equation
119,911.28 : 165,473.24 = 66,195.14 : x - Step 2: Convert to fraction form
119,911.28/165,473.24 = 66,195.14/x - Step 3: Cross multiply
119,911.28x = 165,473.24 × 66,195.14 - Step 4: Simplify right side
119,911.28x = 10,953,524,288.05 - Step 5: Solve for x
x = 10,953,524,288.05/119,911.28 - Step 6: Final answer
x = 91,346.90
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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.