Finding the Fourth Proportional to 111,471.07, 167,206.73 and 47,412.62
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Solution
The fourth proportional to 111,471.07, 167,206.73 and 47,412.62 is: 71,118.98
Step by Step Solution
- Step 1: Write the proportion equation
111,471.07 : 167,206.73 = 47,412.62 : x - Step 2: Convert to fraction form
111,471.07/167,206.73 = 47,412.62/x - Step 3: Cross multiply
111,471.07x = 167,206.73 × 47,412.62 - Step 4: Simplify right side
111,471.07x = 7,927,709,150.93 - Step 5: Solve for x
x = 7,927,709,150.93/111,471.07 - Step 6: Final answer
x = 71,118.98
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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.