Finding the Fourth Proportional to 134,872.60, 202,136.10 and 120,011.80
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Solution
The fourth proportional to 134,872.60, 202,136.10 and 120,011.80 is: 179,863.94
Step by Step Solution
- Step 1: Write the proportion equation
134,872.60 : 202,136.10 = 120,011.80 : x - Step 2: Convert to fraction form
134,872.60/202,136.10 = 120,011.80/x - Step 3: Cross multiply
134,872.60x = 202,136.10 × 120,011.80 - Step 4: Simplify right side
134,872.60x = 24,258,717,205.98 - Step 5: Solve for x
x = 24,258,717,205.98/134,872.60 - Step 6: Final answer
x = 179,863.94
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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.