Finding the Fourth Proportional to 144,986.09, 199,626.12 and 131,700.06
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Solution
The fourth proportional to 144,986.09, 199,626.12 and 131,700.06 is: 181,333.07
Step by Step Solution
- Step 1: Write the proportion equation
144,986.09 : 199,626.12 = 131,700.06 : x - Step 2: Convert to fraction form
144,986.09/199,626.12 = 131,700.06/x - Step 3: Cross multiply
144,986.09x = 199,626.12 × 131,700.06 - Step 4: Simplify right side
144,986.09x = 26,290,771,981.57 - Step 5: Solve for x
x = 26,290,771,981.57/144,986.09 - Step 6: Final answer
x = 181,333.07
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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.