Finding the Fourth Proportional to 134,438.60, 201,657.90 and 132,105.80
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Solution
The fourth proportional to 134,438.60, 201,657.90 and 132,105.80 is: 198,158.70
Step by Step Solution
- Step 1: Write the proportion equation
134,438.60 : 201,657.90 = 132,105.80 : x - Step 2: Convert to fraction form
134,438.60/201,657.90 = 132,105.80/x - Step 3: Cross multiply
134,438.60x = 201,657.90 × 132,105.80 - Step 4: Simplify right side
134,438.60x = 26,640,178,205.82 - Step 5: Solve for x
x = 26,640,178,205.82/134,438.60 - Step 6: Final answer
x = 198,158.70
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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.