Finding the Fourth Proportional to 134,021.20, 201,031.80 and 134,021.20
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Solution
The fourth proportional to 134,021.20, 201,031.80 and 134,021.20 is: 201,031.80
Step by Step Solution
- Step 1: Write the proportion equation
134,021.20 : 201,031.80 = 134,021.20 : x - Step 2: Convert to fraction form
134,021.20/201,031.80 = 134,021.20/x - Step 3: Cross multiply
134,021.20x = 201,031.80 × 134,021.20 - Step 4: Simplify right side
134,021.20x = 26,942,523,074.16 - Step 5: Solve for x
x = 26,942,523,074.16/134,021.20 - Step 6: Final answer
x = 201,031.80
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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.