Finding the Fourth Proportional to 104,739.70, 157,437.60 and 102,771.40
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Solution
The fourth proportional to 104,739.70, 157,437.60 and 102,771.40 is: 154,478.99
Step by Step Solution
- Step 1: Write the proportion equation
104,739.70 : 157,437.60 = 102,771.40 : x - Step 2: Convert to fraction form
104,739.70/157,437.60 = 102,771.40/x - Step 3: Cross multiply
104,739.70x = 157,437.60 × 102,771.40 - Step 4: Simplify right side
104,739.70x = 16,180,082,564.64 - Step 5: Solve for x
x = 16,180,082,564.64/104,739.70 - Step 6: Final answer
x = 154,478.99
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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.