Finding the Fourth Proportional to 144,782.65, 199,732.47 and 91,097.26
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Solution
The fourth proportional to 144,782.65, 199,732.47 and 91,097.26 is: 125,671.70
Step by Step Solution
- Step 1: Write the proportion equation
144,782.65 : 199,732.47 = 91,097.26 : x - Step 2: Convert to fraction form
144,782.65/199,732.47 = 91,097.26/x - Step 3: Cross multiply
144,782.65x = 199,732.47 × 91,097.26 - Step 4: Simplify right side
144,782.65x = 18,195,081,845.57 - Step 5: Solve for x
x = 18,195,081,845.57/144,782.65 - Step 6: Final answer
x = 125,671.70
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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.