Finding the Fourth Proportional to 134,861.58, 201,266.89 and 119,915.19
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Solution
The fourth proportional to 134,861.58, 201,266.89 and 119,915.19 is: 178,960.95
Step by Step Solution
- Step 1: Write the proportion equation
134,861.58 : 201,266.89 = 119,915.19 : x - Step 2: Convert to fraction form
134,861.58/201,266.89 = 119,915.19/x - Step 3: Cross multiply
134,861.58x = 201,266.89 × 119,915.19 - Step 4: Simplify right side
134,861.58x = 24,134,957,055.27 - Step 5: Solve for x
x = 24,134,957,055.27/134,861.58 - Step 6: Final answer
x = 178,960.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.