Finding the Fourth Proportional to 134,863.68, 202,125.42 and 68,320.56
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Solution
The fourth proportional to 134,863.68, 202,125.42 and 68,320.56 is: 102,394.67
Step by Step Solution
- Step 1: Write the proportion equation
134,863.68 : 202,125.42 = 68,320.56 : x - Step 2: Convert to fraction form
134,863.68/202,125.42 = 68,320.56/x - Step 3: Cross multiply
134,863.68x = 202,125.42 × 68,320.56 - Step 4: Simplify right side
134,863.68x = 13,809,321,884.64 - Step 5: Solve for x
x = 13,809,321,884.64/134,863.68 - Step 6: Final answer
x = 102,394.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.