Finding the Fourth Proportional to 134,575.94, 201,803.92 and 71,381.68
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Solution
The fourth proportional to 134,575.94, 201,803.92 and 71,381.68 is: 107,040.69
Step by Step Solution
- Step 1: Write the proportion equation
134,575.94 : 201,803.92 = 71,381.68 : x - Step 2: Convert to fraction form
134,575.94/201,803.92 = 71,381.68/x - Step 3: Cross multiply
134,575.94x = 201,803.92 × 71,381.68 - Step 4: Simplify right side
134,575.94x = 14,405,101,474.26 - Step 5: Solve for x
x = 14,405,101,474.26/134,575.94 - Step 6: Final answer
x = 107,040.69
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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.