Finding the Fourth Proportional to 111,666.69, 154,180.48 and 68,703.99
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Solution
The fourth proportional to 111,666.69, 154,180.48 and 68,703.99 is: 94,861.00
Step by Step Solution
- Step 1: Write the proportion equation
111,666.69 : 154,180.48 = 68,703.99 : x - Step 2: Convert to fraction form
111,666.69/154,180.48 = 68,703.99/x - Step 3: Cross multiply
111,666.69x = 154,180.48 × 68,703.99 - Step 4: Simplify right side
111,666.69x = 10,592,814,156.12 - Step 5: Solve for x
x = 10,592,814,156.12/111,666.69 - Step 6: Final answer
x = 94,861.00
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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.