Finding the Fourth Proportional to 135,310.35, 186,723.68 and 74,883.54
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Solution
The fourth proportional to 135,310.35, 186,723.68 and 74,883.54 is: 103,336.74
Step by Step Solution
- Step 1: Write the proportion equation
135,310.35 : 186,723.68 = 74,883.54 : x - Step 2: Convert to fraction form
135,310.35/186,723.68 = 74,883.54/x - Step 3: Cross multiply
135,310.35x = 186,723.68 × 74,883.54 - Step 4: Simplify right side
135,310.35x = 13,982,529,785.81 - Step 5: Solve for x
x = 13,982,529,785.81/135,310.35 - Step 6: Final answer
x = 103,336.74
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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.