Finding the Fourth Proportional to 124,451.42, 186,651.99 and 35,681.09
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Solution
The fourth proportional to 124,451.42, 186,651.99 and 35,681.09 is: 53,514.42
Step by Step Solution
- Step 1: Write the proportion equation
124,451.42 : 186,651.99 = 35,681.09 : x - Step 2: Convert to fraction form
124,451.42/186,651.99 = 35,681.09/x - Step 3: Cross multiply
124,451.42x = 186,651.99 × 35,681.09 - Step 4: Simplify right side
124,451.42x = 6,659,945,520.61 - Step 5: Solve for x
x = 6,659,945,520.61/124,451.42 - Step 6: Final answer
x = 53,514.42
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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.