Finding the Fourth Proportional to 97,337.80, 146,006.70 and 80,057.80
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Solution
The fourth proportional to 97,337.80, 146,006.70 and 80,057.80 is: 120,086.70
Step by Step Solution
- Step 1: Write the proportion equation
97,337.80 : 146,006.70 = 80,057.80 : x - Step 2: Convert to fraction form
97,337.80/146,006.70 = 80,057.80/x - Step 3: Cross multiply
97,337.80x = 146,006.70 × 80,057.80 - Step 4: Simplify right side
97,337.80x = 11,688,975,187.26 - Step 5: Solve for x
x = 11,688,975,187.26/97,337.80 - Step 6: Final answer
x = 120,086.70
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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.