Finding the Fourth Proportional to 134,168.20, 201,252.30 and 83,429.80
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Solution
The fourth proportional to 134,168.20, 201,252.30 and 83,429.80 is: 125,144.70
Step by Step Solution
- Step 1: Write the proportion equation
134,168.20 : 201,252.30 = 83,429.80 : x - Step 2: Convert to fraction form
134,168.20/201,252.30 = 83,429.80/x - Step 3: Cross multiply
134,168.20x = 201,252.30 × 83,429.80 - Step 4: Simplify right side
134,168.20x = 16,790,439,138.54 - Step 5: Solve for x
x = 16,790,439,138.54/134,168.20 - Step 6: Final answer
x = 125,144.70
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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.