Finding the Fourth Proportional to 146,109.75, 201,631.46 and 79,041.75
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Solution
The fourth proportional to 146,109.75, 201,631.46 and 79,041.75 is: 109,077.62
Step by Step Solution
- Step 1: Write the proportion equation
146,109.75 : 201,631.46 = 79,041.75 : x - Step 2: Convert to fraction form
146,109.75/201,631.46 = 79,041.75/x - Step 3: Cross multiply
146,109.75x = 201,631.46 × 79,041.75 - Step 4: Simplify right side
146,109.75x = 15,937,303,453.46 - Step 5: Solve for x
x = 15,937,303,453.46/146,109.75 - Step 6: Final answer
x = 109,077.62
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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.