Finding the Fourth Proportional to 144,354.15, 216,108.99 and 84,198.69
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Solution
The fourth proportional to 144,354.15, 216,108.99 and 84,198.69 is: 126,051.75
Step by Step Solution
- Step 1: Write the proportion equation
144,354.15 : 216,108.99 = 84,198.69 : x - Step 2: Convert to fraction form
144,354.15/216,108.99 = 84,198.69/x - Step 3: Cross multiply
144,354.15x = 216,108.99 × 84,198.69 - Step 4: Simplify right side
144,354.15x = 18,196,093,855.22 - Step 5: Solve for x
x = 18,196,093,855.22/144,354.15 - Step 6: Final answer
x = 126,051.75
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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.