Finding the Fourth Proportional to 142,945.21, 214,147.17 and 95,416.99
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Solution
The fourth proportional to 142,945.21, 214,147.17 and 95,416.99 is: 142,944.83
Step by Step Solution
- Step 1: Write the proportion equation
142,945.21 : 214,147.17 = 95,416.99 : x - Step 2: Convert to fraction form
142,945.21/214,147.17 = 95,416.99/x - Step 3: Cross multiply
142,945.21x = 214,147.17 × 95,416.99 - Step 4: Simplify right side
142,945.21x = 20,433,277,574.69 - Step 5: Solve for x
x = 20,433,277,574.69/142,945.21 - Step 6: Final answer
x = 142,944.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.