Finding the Fourth Proportional to 107,110.80, 160,666.20 and 40,553.10
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Solution
The fourth proportional to 107,110.80, 160,666.20 and 40,553.10 is: 60,829.65
Step by Step Solution
- Step 1: Write the proportion equation
107,110.80 : 160,666.20 = 40,553.10 : x - Step 2: Convert to fraction form
107,110.80/160,666.20 = 40,553.10/x - Step 3: Cross multiply
107,110.80x = 160,666.20 × 40,553.10 - Step 4: Simplify right side
107,110.80x = 6,515,512,475.22 - Step 5: Solve for x
x = 6,515,512,475.22/107,110.80 - Step 6: Final answer
x = 60,829.65
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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.