Finding the Fourth Proportional to 124,287.05, 186,083.15 and 67,156.26
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Solution
The fourth proportional to 124,287.05, 186,083.15 and 67,156.26 is: 100,546.67
Step by Step Solution
- Step 1: Write the proportion equation
124,287.05 : 186,083.15 = 67,156.26 : x - Step 2: Convert to fraction form
124,287.05/186,083.15 = 67,156.26/x - Step 3: Cross multiply
124,287.05x = 186,083.15 × 67,156.26 - Step 4: Simplify right side
124,287.05x = 12,496,648,067.24 - Step 5: Solve for x
x = 12,496,648,067.24/124,287.05 - Step 6: Final answer
x = 100,546.67
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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.