Finding the Fourth Proportional to 106,089.51, 159,122.37 and 27,205.59
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Solution
The fourth proportional to 106,089.51, 159,122.37 and 27,205.59 is: 40,805.33
Step by Step Solution
- Step 1: Write the proportion equation
106,089.51 : 159,122.37 = 27,205.59 : x - Step 2: Convert to fraction form
106,089.51/159,122.37 = 27,205.59/x - Step 3: Cross multiply
106,089.51x = 159,122.37 × 27,205.59 - Step 4: Simplify right side
106,089.51x = 4,329,017,958.05 - Step 5: Solve for x
x = 4,329,017,958.05/106,089.51 - Step 6: Final answer
x = 40,805.33
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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.