Finding the Fourth Proportional to 163,657.36, 225,837.47 and 91,058.32
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Solution
The fourth proportional to 163,657.36, 225,837.47 and 91,058.32 is: 125,655.09
Step by Step Solution
- Step 1: Write the proportion equation
163,657.36 : 225,837.47 = 91,058.32 : x - Step 2: Convert to fraction form
163,657.36/225,837.47 = 91,058.32/x - Step 3: Cross multiply
163,657.36x = 225,837.47 × 91,058.32 - Step 4: Simplify right side
163,657.36x = 20,564,380,611.25 - Step 5: Solve for x
x = 20,564,380,611.25/163,657.36 - Step 6: Final answer
x = 125,655.09
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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.