Finding the Fourth Proportional to 151,804.12, 209,548.76 and 135,860.88
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Solution
The fourth proportional to 151,804.12, 209,548.76 and 135,860.88 is: 187,540.88
Step by Step Solution
- Step 1: Write the proportion equation
151,804.12 : 209,548.76 = 135,860.88 : x - Step 2: Convert to fraction form
151,804.12/209,548.76 = 135,860.88/x - Step 3: Cross multiply
151,804.12x = 209,548.76 × 135,860.88 - Step 4: Simplify right side
151,804.12x = 28,469,478,936.51 - Step 5: Solve for x
x = 28,469,478,936.51/151,804.12 - Step 6: Final answer
x = 187,540.88
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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.