Finding the Fourth Proportional to 145,713.74, 201,104.11 and 82,063.98
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Solution
The fourth proportional to 145,713.74, 201,104.11 and 82,063.98 is: 113,259.08
Step by Step Solution
- Step 1: Write the proportion equation
145,713.74 : 201,104.11 = 82,063.98 : x - Step 2: Convert to fraction form
145,713.74/201,104.11 = 82,063.98/x - Step 3: Cross multiply
145,713.74x = 201,104.11 × 82,063.98 - Step 4: Simplify right side
145,713.74x = 16,503,403,660.96 - Step 5: Solve for x
x = 16,503,403,660.96/145,713.74 - Step 6: Final answer
x = 113,259.08
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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.