Finding the Fourth Proportional to 102,664.65, 153,944.36 and 54,660.51
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Solution
The fourth proportional to 102,664.65, 153,944.36 and 54,660.51 is: 81,962.75
Step by Step Solution
- Step 1: Write the proportion equation
102,664.65 : 153,944.36 = 54,660.51 : x - Step 2: Convert to fraction form
102,664.65/153,944.36 = 54,660.51/x - Step 3: Cross multiply
102,664.65x = 153,944.36 × 54,660.51 - Step 4: Simplify right side
102,664.65x = 8,414,677,229.22 - Step 5: Solve for x
x = 8,414,677,229.22/102,664.65 - Step 6: Final answer
x = 81,962.75
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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.