Finding the Fourth Proportional to 122,769.84, 183,918.24 and 102,811.44
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Solution
The fourth proportional to 122,769.84, 183,918.24 and 102,811.44 is: 154,019.09
Step by Step Solution
- Step 1: Write the proportion equation
122,769.84 : 183,918.24 = 102,811.44 : x - Step 2: Convert to fraction form
122,769.84/183,918.24 = 102,811.44/x - Step 3: Cross multiply
122,769.84x = 183,918.24 × 102,811.44 - Step 4: Simplify right side
122,769.84x = 18,908,899,096.67 - Step 5: Solve for x
x = 18,908,899,096.67/122,769.84 - Step 6: Final answer
x = 154,019.09
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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.