Finding the Fourth Proportional to 161,750.80, 242,674.80 and 115,094.80
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Solution
The fourth proportional to 161,750.80, 242,674.80 and 115,094.80 is: 172,676.78
Step by Step Solution
- Step 1: Write the proportion equation
161,750.80 : 242,674.80 = 115,094.80 : x - Step 2: Convert to fraction form
161,750.80/242,674.80 = 115,094.80/x - Step 3: Cross multiply
161,750.80x = 242,674.80 × 115,094.80 - Step 4: Simplify right side
161,750.80x = 27,930,607,571.04 - Step 5: Solve for x
x = 27,930,607,571.04/161,750.80 - Step 6: Final answer
x = 172,676.78
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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.