Finding the Fourth Proportional to 136,522.52, 188,401.95 and 76,096.99
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Solution
The fourth proportional to 136,522.52, 188,401.95 and 76,096.99 is: 105,014.34
Step by Step Solution
- Step 1: Write the proportion equation
136,522.52 : 188,401.95 = 76,096.99 : x - Step 2: Convert to fraction form
136,522.52/188,401.95 = 76,096.99/x - Step 3: Cross multiply
136,522.52x = 188,401.95 × 76,096.99 - Step 4: Simplify right side
136,522.52x = 14,336,821,540.63 - Step 5: Solve for x
x = 14,336,821,540.63/136,522.52 - Step 6: Final answer
x = 105,014.34
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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.