Finding the Fourth Proportional to 122,696.96, 183,917.76 and 83,257.28
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Solution
The fourth proportional to 122,696.96, 183,917.76 and 83,257.28 is: 124,799.28
Step by Step Solution
- Step 1: Write the proportion equation
122,696.96 : 183,917.76 = 83,257.28 : x - Step 2: Convert to fraction form
122,696.96/183,917.76 = 83,257.28/x - Step 3: Cross multiply
122,696.96x = 183,917.76 × 83,257.28 - Step 4: Simplify right side
122,696.96x = 15,312,492,441.29 - Step 5: Solve for x
x = 15,312,492,441.29/122,696.96 - Step 6: Final answer
x = 124,799.28
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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.