Finding the Fourth Proportional to 135,183.74, 186,546.02 and 74,750.76
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Solution
The fourth proportional to 135,183.74, 186,546.02 and 74,750.76 is: 103,151.88
Step by Step Solution
- Step 1: Write the proportion equation
135,183.74 : 186,546.02 = 74,750.76 : x - Step 2: Convert to fraction form
135,183.74/186,546.02 = 74,750.76/x - Step 3: Cross multiply
135,183.74x = 186,546.02 × 74,750.76 - Step 4: Simplify right side
135,183.74x = 13,944,456,396.22 - Step 5: Solve for x
x = 13,944,456,396.22/135,183.74 - Step 6: Final answer
x = 103,151.88
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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.