Finding the Fourth Proportional to 124,956.66, 187,434.84 and 40,716.69
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Solution
The fourth proportional to 124,956.66, 187,434.84 and 40,716.69 is: 61,074.99
Step by Step Solution
- Step 1: Write the proportion equation
124,956.66 : 187,434.84 = 40,716.69 : x - Step 2: Convert to fraction form
124,956.66/187,434.84 = 40,716.69/x - Step 3: Cross multiply
124,956.66x = 187,434.84 × 40,716.69 - Step 4: Simplify right side
124,956.66x = 7,631,726,275.48 - Step 5: Solve for x
x = 7,631,726,275.48/124,956.66 - Step 6: Final answer
x = 61,074.99
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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.