Finding the Fourth Proportional to 111,969.18, 167,726.97 and 51,913.08
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Solution
The fourth proportional to 111,969.18, 167,726.97 and 51,913.08 is: 77,764.47
Step by Step Solution
- Step 1: Write the proportion equation
111,969.18 : 167,726.97 = 51,913.08 : x - Step 2: Convert to fraction form
111,969.18/167,726.97 = 51,913.08/x - Step 3: Cross multiply
111,969.18x = 167,726.97 × 51,913.08 - Step 4: Simplify right side
111,969.18x = 8,707,223,611.77 - Step 5: Solve for x
x = 8,707,223,611.77/111,969.18 - Step 6: Final answer
x = 77,764.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.