Finding the Fourth Proportional to 102,119.20, 153,183.60 and 32,000.80
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Solution
The fourth proportional to 102,119.20, 153,183.60 and 32,000.80 is: 48,002.70
Step by Step Solution
- Step 1: Write the proportion equation
102,119.20 : 153,183.60 = 32,000.80 : x - Step 2: Convert to fraction form
102,119.20/153,183.60 = 32,000.80/x - Step 3: Cross multiply
102,119.20x = 153,183.60 × 32,000.80 - Step 4: Simplify right side
102,119.20x = 4,901,997,746.88 - Step 5: Solve for x
x = 4,901,997,746.88/102,119.20 - Step 6: Final answer
x = 48,002.70
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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.