Finding the Fourth Proportional to 106,137.99, 159,149.34 and 52,712.75
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Solution
The fourth proportional to 106,137.99, 159,149.34 and 52,712.75 is: 79,040.50
Step by Step Solution
- Step 1: Write the proportion equation
106,137.99 : 159,149.34 = 52,712.75 : x - Step 2: Convert to fraction form
106,137.99/159,149.34 = 52,712.75/x - Step 3: Cross multiply
106,137.99x = 159,149.34 × 52,712.75 - Step 4: Simplify right side
106,137.99x = 8,389,199,769.96 - Step 5: Solve for x
x = 8,389,199,769.96/106,137.99 - Step 6: Final answer
x = 79,040.50
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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.