Finding the Fourth Proportional to 163,155.88, 225,158.58 and 91,541.08
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Solution
The fourth proportional to 163,155.88, 225,158.58 and 91,541.08 is: 126,328.63
Step by Step Solution
- Step 1: Write the proportion equation
163,155.88 : 225,158.58 = 91,541.08 : x - Step 2: Convert to fraction form
163,155.88/225,158.58 = 91,541.08/x - Step 3: Cross multiply
163,155.88x = 225,158.58 × 91,541.08 - Step 4: Simplify right side
163,155.88x = 20,611,259,584.47 - Step 5: Solve for x
x = 20,611,259,584.47/163,155.88 - Step 6: Final answer
x = 126,328.63
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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.