Finding the Fourth Proportional to 107,021.70, 160,532.55 and 54,533.70
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Solution
The fourth proportional to 107,021.70, 160,532.55 and 54,533.70 is: 81,800.55
Step by Step Solution
- Step 1: Write the proportion equation
107,021.70 : 160,532.55 = 54,533.70 : x - Step 2: Convert to fraction form
107,021.70/160,532.55 = 54,533.70/x - Step 3: Cross multiply
107,021.70x = 160,532.55 × 54,533.70 - Step 4: Simplify right side
107,021.70x = 8,754,433,921.94 - Step 5: Solve for x
x = 8,754,433,921.94/107,021.70 - Step 6: Final answer
x = 81,800.55
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1.5x scale
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.