Finding the Fourth Proportional to 119,157.99, 164,396.87 and 76,162.62
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Solution
The fourth proportional to 119,157.99, 164,396.87 and 76,162.62 is: 105,078.11
Step by Step Solution
- Step 1: Write the proportion equation
119,157.99 : 164,396.87 = 76,162.62 : x - Step 2: Convert to fraction form
119,157.99/164,396.87 = 76,162.62/x - Step 3: Cross multiply
119,157.99x = 164,396.87 × 76,162.62 - Step 4: Simplify right side
119,157.99x = 12,520,895,958.19 - Step 5: Solve for x
x = 12,520,895,958.19/119,157.99 - Step 6: Final answer
x = 105,078.11
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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.