Finding the Fourth Proportional to 120,559.14, 166,363.47 and 69,573.99
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Solution
The fourth proportional to 120,559.14, 166,363.47 and 69,573.99 is: 96,007.41
Step by Step Solution
- Step 1: Write the proportion equation
120,559.14 : 166,363.47 = 69,573.99 : x - Step 2: Convert to fraction form
120,559.14/166,363.47 = 69,573.99/x - Step 3: Cross multiply
120,559.14x = 166,363.47 × 69,573.99 - Step 4: Simplify right side
120,559.14x = 11,574,570,398.15 - Step 5: Solve for x
x = 11,574,570,398.15/120,559.14 - Step 6: Final answer
x = 96,007.41
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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.