Finding the Fourth Proportional to 137,277.23, 189,442.67 and 76,847.99
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Solution
The fourth proportional to 137,277.23, 189,442.67 and 76,847.99 is: 106,050.27
Step by Step Solution
- Step 1: Write the proportion equation
137,277.23 : 189,442.67 = 76,847.99 : x - Step 2: Convert to fraction form
137,277.23/189,442.67 = 76,847.99/x - Step 3: Cross multiply
137,277.23x = 189,442.67 × 76,847.99 - Step 4: Simplify right side
137,277.23x = 14,558,287,078.28 - Step 5: Solve for x
x = 14,558,287,078.28/137,277.23 - Step 6: Final answer
x = 106,050.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.