Finding the Fourth Proportional to 121,162.70, 167,220.24 and 69,499.99
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Solution
The fourth proportional to 121,162.70, 167,220.24 and 69,499.99 is: 95,919.00
Step by Step Solution
- Step 1: Write the proportion equation
121,162.70 : 167,220.24 = 69,499.99 : x - Step 2: Convert to fraction form
121,162.70/167,220.24 = 69,499.99/x - Step 3: Cross multiply
121,162.70x = 167,220.24 × 69,499.99 - Step 4: Simplify right side
121,162.70x = 11,621,805,007.80 - Step 5: Solve for x
x = 11,621,805,007.80/121,162.70 - Step 6: Final answer
x = 95,919.00
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1.5x scale
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.