Finding the Fourth Proportional to 111,070.99, 153,168.76 and 101,850.75
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Solution
The fourth proportional to 111,070.99, 153,168.76 and 101,850.75 is: 140,453.88
Step by Step Solution
- Step 1: Write the proportion equation
111,070.99 : 153,168.76 = 101,850.75 : x - Step 2: Convert to fraction form
111,070.99/153,168.76 = 101,850.75/x - Step 3: Cross multiply
111,070.99x = 153,168.76 × 101,850.75 - Step 4: Simplify right side
111,070.99x = 15,600,351,807.47 - Step 5: Solve for x
x = 15,600,351,807.47/111,070.99 - Step 6: Final answer
x = 140,453.88
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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.