Finding the Fourth Proportional to 136,791.51, 205,177.02 and 48,045.80
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Solution
The fourth proportional to 136,791.51, 205,177.02 and 48,045.80 is: 72,065.09
Step by Step Solution
- Step 1: Write the proportion equation
136,791.51 : 205,177.02 = 48,045.80 : x - Step 2: Convert to fraction form
136,791.51/205,177.02 = 48,045.80/x - Step 3: Cross multiply
136,791.51x = 205,177.02 × 48,045.80 - Step 4: Simplify right side
136,791.51x = 9,857,893,041.63 - Step 5: Solve for x
x = 9,857,893,041.63/136,791.51 - Step 6: Final answer
x = 72,065.09
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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.