Finding the Fourth Proportional to 138,032.68, 206,716.68 and 93,524.47
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Solution
The fourth proportional to 138,032.68, 206,716.68 and 93,524.47 is: 140,061.53
Step by Step Solution
- Step 1: Write the proportion equation
138,032.68 : 206,716.68 = 93,524.47 : x - Step 2: Convert to fraction form
138,032.68/206,716.68 = 93,524.47/x - Step 3: Cross multiply
138,032.68x = 206,716.68 × 93,524.47 - Step 4: Simplify right side
138,032.68x = 19,333,067,937.16 - Step 5: Solve for x
x = 19,333,067,937.16/138,032.68 - Step 6: Final answer
x = 140,061.53
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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.