Finding the Fourth Proportional to 122,799.36, 169,460.66 and 69,083.80
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Solution
The fourth proportional to 122,799.36, 169,460.66 and 69,083.80 is: 95,334.26
Step by Step Solution
- Step 1: Write the proportion equation
122,799.36 : 169,460.66 = 69,083.80 : x - Step 2: Convert to fraction form
122,799.36/169,460.66 = 69,083.80/x - Step 3: Cross multiply
122,799.36x = 169,460.66 × 69,083.80 - Step 4: Simplify right side
122,799.36x = 11,706,986,343.31 - Step 5: Solve for x
x = 11,706,986,343.31/122,799.36 - Step 6: Final answer
x = 95,334.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.