Finding the Fourth Proportional to 122,170.68, 183,099.42 and 106,309.80
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Solution
The fourth proportional to 122,170.68, 183,099.42 and 106,309.80 is: 159,328.43
Step by Step Solution
- Step 1: Write the proportion equation
122,170.68 : 183,099.42 = 106,309.80 : x - Step 2: Convert to fraction form
122,170.68/183,099.42 = 106,309.80/x - Step 3: Cross multiply
122,170.68x = 183,099.42 × 106,309.80 - Step 4: Simplify right side
122,170.68x = 19,465,262,720.32 - Step 5: Solve for x
x = 19,465,262,720.32/122,170.68 - Step 6: Final answer
x = 159,328.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.