Finding the Fourth Proportional to 105,940.24, 146,176.84 and 60,632.08
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Solution
The fourth proportional to 105,940.24, 146,176.84 and 60,632.08 is: 83,660.43
Step by Step Solution
- Step 1: Write the proportion equation
105,940.24 : 146,176.84 = 60,632.08 : x - Step 2: Convert to fraction form
105,940.24/146,176.84 = 60,632.08/x - Step 3: Cross multiply
105,940.24x = 146,176.84 × 60,632.08 - Step 4: Simplify right side
105,940.24x = 8,863,005,857.03 - Step 5: Solve for x
x = 8,863,005,857.03/105,940.24 - Step 6: Final answer
x = 83,660.43
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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.