Finding the Fourth Proportional to 140,396.99, 193,747.50 and 76,735.26
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Solution
The fourth proportional to 140,396.99, 193,747.50 and 76,735.26 is: 105,894.47
Step by Step Solution
- Step 1: Write the proportion equation
140,396.99 : 193,747.50 = 76,735.26 : x - Step 2: Convert to fraction form
140,396.99/193,747.50 = 76,735.26/x - Step 3: Cross multiply
140,396.99x = 193,747.50 × 76,735.26 - Step 4: Simplify right side
140,396.99x = 14,867,264,786.85 - Step 5: Solve for x
x = 14,867,264,786.85/140,396.99 - Step 6: Final answer
x = 105,894.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.