Finding the Fourth Proportional to 122,780.14, 169,388.62 and 69,052.84
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Solution
The fourth proportional to 122,780.14, 169,388.62 and 69,052.84 is: 95,265.94
Step by Step Solution
- Step 1: Write the proportion equation
122,780.14 : 169,388.62 = 69,052.84 : x - Step 2: Convert to fraction form
122,780.14/169,388.62 = 69,052.84/x - Step 3: Cross multiply
122,780.14x = 169,388.62 × 69,052.84 - Step 4: Simplify right side
122,780.14x = 11,696,765,274.68 - Step 5: Solve for x
x = 11,696,765,274.68/122,780.14 - Step 6: Final answer
x = 95,265.94
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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.