Finding the Fourth Proportional to 144,098.93, 198,859.59 and 79,567.99
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Solution
The fourth proportional to 144,098.93, 198,859.59 and 79,567.99 is: 109,805.51
Step by Step Solution
- Step 1: Write the proportion equation
144,098.93 : 198,859.59 = 79,567.99 : x - Step 2: Convert to fraction form
144,098.93/198,859.59 = 79,567.99/x - Step 3: Cross multiply
144,098.93x = 198,859.59 × 79,567.99 - Step 4: Simplify right side
144,098.93x = 15,822,857,371.38 - Step 5: Solve for x
x = 15,822,857,371.38/144,098.93 - Step 6: Final answer
x = 109,805.51
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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.