Finding the Fourth Proportional to 122,534.60, 169,144.50 and 119,163.88
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Solution
The fourth proportional to 122,534.60, 169,144.50 and 119,163.88 is: 164,491.62
Step by Step Solution
- Step 1: Write the proportion equation
122,534.60 : 169,144.50 = 119,163.88 : x - Step 2: Convert to fraction form
122,534.60/169,144.50 = 119,163.88/x - Step 3: Cross multiply
122,534.60x = 169,144.50 × 119,163.88 - Step 4: Simplify right side
122,534.60x = 20,155,914,900.66 - Step 5: Solve for x
x = 20,155,914,900.66/122,534.60 - Step 6: Final answer
x = 164,491.62
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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.