Finding the Fourth Proportional to 122,526.20, 183,546.30 and 107,913.80
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Solution
The fourth proportional to 122,526.20, 183,546.30 and 107,913.80 is: 161,656.68
Step by Step Solution
- Step 1: Write the proportion equation
122,526.20 : 183,546.30 = 107,913.80 : x - Step 2: Convert to fraction form
122,526.20/183,546.30 = 107,913.80/x - Step 3: Cross multiply
122,526.20x = 183,546.30 × 107,913.80 - Step 4: Simplify right side
122,526.20x = 19,807,178,708.94 - Step 5: Solve for x
x = 19,807,178,708.94/122,526.20 - Step 6: Final answer
x = 161,656.68
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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.