Finding the Fourth Proportional to 147,198.36, 203,160.25 and 86,765.48
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Solution
The fourth proportional to 147,198.36, 203,160.25 and 86,765.48 is: 119,751.99
Step by Step Solution
- Step 1: Write the proportion equation
147,198.36 : 203,160.25 = 86,765.48 : x - Step 2: Convert to fraction form
147,198.36/203,160.25 = 86,765.48/x - Step 3: Cross multiply
147,198.36x = 203,160.25 × 86,765.48 - Step 4: Simplify right side
147,198.36x = 17,627,296,462.68 - Step 5: Solve for x
x = 17,627,296,462.68/147,198.36 - Step 6: Final answer
x = 119,751.99
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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.