Finding the Fourth Proportional to 107,210.70, 160,816.05 and 48,161.70
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Solution
The fourth proportional to 107,210.70, 160,816.05 and 48,161.70 is: 72,242.55
Step by Step Solution
- Step 1: Write the proportion equation
107,210.70 : 160,816.05 = 48,161.70 : x - Step 2: Convert to fraction form
107,210.70/160,816.05 = 48,161.70/x - Step 3: Cross multiply
107,210.70x = 160,816.05 × 48,161.70 - Step 4: Simplify right side
107,210.70x = 7,745,174,355.29 - Step 5: Solve for x
x = 7,745,174,355.29/107,210.70 - Step 6: Final answer
x = 72,242.55
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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.