Finding the Fourth Proportional to 146,459.62, 202,104.74 and 81,917.68
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Solution
The fourth proportional to 146,459.62, 202,104.74 and 81,917.68 is: 113,041.06
Step by Step Solution
- Step 1: Write the proportion equation
146,459.62 : 202,104.74 = 81,917.68 : x - Step 2: Convert to fraction form
146,459.62/202,104.74 = 81,917.68/x - Step 3: Cross multiply
146,459.62x = 202,104.74 × 81,917.68 - Step 4: Simplify right side
146,459.62x = 16,555,950,182.87 - Step 5: Solve for x
x = 16,555,950,182.87/146,459.62 - Step 6: Final answer
x = 113,041.06
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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.