Finding the Fourth Proportional to 106,680.36, 160,000.74 and 39,197.64
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Solution
The fourth proportional to 106,680.36, 160,000.74 and 39,197.64 is: 58,789.18
Step by Step Solution
- Step 1: Write the proportion equation
106,680.36 : 160,000.74 = 39,197.64 : x - Step 2: Convert to fraction form
106,680.36/160,000.74 = 39,197.64/x - Step 3: Cross multiply
106,680.36x = 160,000.74 × 39,197.64 - Step 4: Simplify right side
106,680.36x = 6,271,651,406.25 - Step 5: Solve for x
x = 6,271,651,406.25/106,680.36 - Step 6: Final answer
x = 58,789.18
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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.