Finding the Fourth Proportional to 122,159.22, 183,110.95 and 51,122.56
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Solution
The fourth proportional to 122,159.22, 183,110.95 and 51,122.56 is: 76,630.32
Step by Step Solution
- Step 1: Write the proportion equation
122,159.22 : 183,110.95 = 51,122.56 : x - Step 2: Convert to fraction form
122,159.22/183,110.95 = 51,122.56/x - Step 3: Cross multiply
122,159.22x = 183,110.95 × 51,122.56 - Step 4: Simplify right side
122,159.22x = 9,361,099,942.45 - Step 5: Solve for x
x = 9,361,099,942.45/122,159.22 - Step 6: Final answer
x = 76,630.32
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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.