Finding the Fourth Proportional to 122,023.20, 183,034.80 and 107,260.95
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Solution
The fourth proportional to 122,023.20, 183,034.80 and 107,260.95 is: 160,891.43
Step by Step Solution
- Step 1: Write the proportion equation
122,023.20 : 183,034.80 = 107,260.95 : x - Step 2: Convert to fraction form
122,023.20/183,034.80 = 107,260.95/x - Step 3: Cross multiply
122,023.20x = 183,034.80 × 107,260.95 - Step 4: Simplify right side
122,023.20x = 19,632,486,531.06 - Step 5: Solve for x
x = 19,632,486,531.06/122,023.20 - Step 6: Final answer
x = 160,891.43
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1.5x scale
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.