Finding the Fourth Proportional to 124,608.95, 185,959.83 and 111,311.99
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Solution
The fourth proportional to 124,608.95, 185,959.83 and 111,311.99 is: 166,116.15
Step by Step Solution
- Step 1: Write the proportion equation
124,608.95 : 185,959.83 = 111,311.99 : x - Step 2: Convert to fraction form
124,608.95/185,959.83 = 111,311.99/x - Step 3: Cross multiply
124,608.95x = 185,959.83 × 111,311.99 - Step 4: Simplify right side
124,608.95x = 20,699,557,668.42 - Step 5: Solve for x
x = 20,699,557,668.42/124,608.95 - Step 6: Final answer
x = 166,116.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.