Finding the Fourth Proportional to 134,717.81, 201,575.93 and 84,563.15
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Solution
The fourth proportional to 134,717.81, 201,575.93 and 84,563.15 is: 126,530.38
Step by Step Solution
- Step 1: Write the proportion equation
134,717.81 : 201,575.93 = 84,563.15 : x - Step 2: Convert to fraction form
134,717.81/201,575.93 = 84,563.15/x - Step 3: Cross multiply
134,717.81x = 201,575.93 × 84,563.15 - Step 4: Simplify right side
134,717.81x = 17,045,895,604.98 - Step 5: Solve for x
x = 17,045,895,604.98/134,717.81 - Step 6: Final answer
x = 126,530.38
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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.