Finding the Fourth Proportional to 111,871.06, 154,347.26 and 63,464.99
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Solution
The fourth proportional to 111,871.06, 154,347.26 and 63,464.99 is: 87,561.93
Step by Step Solution
- Step 1: Write the proportion equation
111,871.06 : 154,347.26 = 63,464.99 : x - Step 2: Convert to fraction form
111,871.06/154,347.26 = 63,464.99/x - Step 3: Cross multiply
111,871.06x = 154,347.26 × 63,464.99 - Step 4: Simplify right side
111,871.06x = 9,795,646,223.37 - Step 5: Solve for x
x = 9,795,646,223.37/111,871.06 - Step 6: Final answer
x = 87,561.93
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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.