Finding the Fourth Proportional to 163,444.14, 225,540.77 and 91,836.09
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Solution
The fourth proportional to 163,444.14, 225,540.77 and 91,836.09 is: 126,726.98
Step by Step Solution
- Step 1: Write the proportion equation
163,444.14 : 225,540.77 = 91,836.09 : x - Step 2: Convert to fraction form
163,444.14/225,540.77 = 91,836.09/x - Step 3: Cross multiply
163,444.14x = 225,540.77 × 91,836.09 - Step 4: Simplify right side
163,444.14x = 20,712,781,993.21 - Step 5: Solve for x
x = 20,712,781,993.21/163,444.14 - Step 6: Final answer
x = 126,726.98
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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.