Finding the Fourth Proportional to 134,040.26, 201,106.51 and 84,061.84
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Solution
The fourth proportional to 134,040.26, 201,106.51 and 84,061.84 is: 126,121.69
Step by Step Solution
- Step 1: Write the proportion equation
134,040.26 : 201,106.51 = 84,061.84 : x - Step 2: Convert to fraction form
134,040.26/201,106.51 = 84,061.84/x - Step 3: Cross multiply
134,040.26x = 201,106.51 × 84,061.84 - Step 4: Simplify right side
134,040.26x = 16,905,383,403.58 - Step 5: Solve for x
x = 16,905,383,403.58/134,040.26 - Step 6: Final answer
x = 126,121.69
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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.