Finding the Fourth Proportional to 102,080.85, 153,152.36 and 52,195.99
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Solution
The fourth proportional to 102,080.85, 153,152.36 and 52,195.99 is: 78,309.88
Step by Step Solution
- Step 1: Write the proportion equation
102,080.85 : 153,152.36 = 52,195.99 : x - Step 2: Convert to fraction form
102,080.85/153,152.36 = 52,195.99/x - Step 3: Cross multiply
102,080.85x = 153,152.36 × 52,195.99 - Step 4: Simplify right side
102,080.85x = 7,993,939,051.04 - Step 5: Solve for x
x = 7,993,939,051.04/102,080.85 - Step 6: Final answer
x = 78,309.88
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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.