Finding the Fourth Proportional to 70,774.46, 106,161.70 and 18,183.95
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Solution
The fourth proportional to 70,774.46, 106,161.70 and 18,183.95 is: 27,275.92
Step by Step Solution
- Step 1: Write the proportion equation
70,774.46 : 106,161.70 = 18,183.95 : x - Step 2: Convert to fraction form
70,774.46/106,161.70 = 18,183.95/x - Step 3: Cross multiply
70,774.46x = 106,161.70 × 18,183.95 - Step 4: Simplify right side
70,774.46x = 1,930,438,422.99 - Step 5: Solve for x
x = 1,930,438,422.99/70,774.46 - Step 6: Final answer
x = 27,275.92
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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.