Finding the Fourth Proportional to 97,985.26, 146,861.25 and 68,242.06
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Solution
The fourth proportional to 97,985.26, 146,861.25 and 68,242.06 is: 102,281.86
Step by Step Solution
- Step 1: Write the proportion equation
97,985.26 : 146,861.25 = 68,242.06 : x - Step 2: Convert to fraction form
97,985.26/146,861.25 = 68,242.06/x - Step 3: Cross multiply
97,985.26x = 146,861.25 × 68,242.06 - Step 4: Simplify right side
97,985.26x = 10,022,114,234.18 - Step 5: Solve for x
x = 10,022,114,234.18/97,985.26 - Step 6: Final answer
x = 102,281.86
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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.