Finding the Fourth Proportional to 134,982.97, 186,275.39 and 73,729.19
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Solution
The fourth proportional to 134,982.97, 186,275.39 and 73,729.19 is: 101,745.68
Step by Step Solution
- Step 1: Write the proportion equation
134,982.97 : 186,275.39 = 73,729.19 : x - Step 2: Convert to fraction form
134,982.97/186,275.39 = 73,729.19/x - Step 3: Cross multiply
134,982.97x = 186,275.39 × 73,729.19 - Step 4: Simplify right side
134,982.97x = 13,733,933,980.63 - Step 5: Solve for x
x = 13,733,933,980.63/134,982.97 - Step 6: Final answer
x = 101,745.68
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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.