Finding the Fourth Proportional to 117,234.35, 161,765.11 and 69,479.99
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Solution
The fourth proportional to 117,234.35, 161,765.11 and 69,479.99 is: 95,871.54
Step by Step Solution
- Step 1: Write the proportion equation
117,234.35 : 161,765.11 = 69,479.99 : x - Step 2: Convert to fraction form
117,234.35/161,765.11 = 69,479.99/x - Step 3: Cross multiply
117,234.35x = 161,765.11 × 69,479.99 - Step 4: Simplify right side
117,234.35x = 11,239,438,225.15 - Step 5: Solve for x
x = 11,239,438,225.15/117,234.35 - Step 6: Final answer
x = 95,871.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.