Finding the Fourth Proportional to 134,119.40, 201,179.10 and 132,369.80
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Solution
The fourth proportional to 134,119.40, 201,179.10 and 132,369.80 is: 198,554.70
Step by Step Solution
- Step 1: Write the proportion equation
134,119.40 : 201,179.10 = 132,369.80 : x - Step 2: Convert to fraction form
134,119.40/201,179.10 = 132,369.80/x - Step 3: Cross multiply
134,119.40x = 201,179.10 × 132,369.80 - Step 4: Simplify right side
134,119.40x = 26,630,037,231.18 - Step 5: Solve for x
x = 26,630,037,231.18/134,119.40 - Step 6: Final answer
x = 198,554.70
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1.5x scale
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.