Finding the Fourth Proportional to 163,986.96, 226,318.08 and 95,999.79
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Solution
The fourth proportional to 163,986.96, 226,318.08 and 95,999.79 is: 132,489.12
Step by Step Solution
- Step 1: Write the proportion equation
163,986.96 : 226,318.08 = 95,999.79 : x - Step 2: Convert to fraction form
163,986.96/226,318.08 = 95,999.79/x - Step 3: Cross multiply
163,986.96x = 226,318.08 × 95,999.79 - Step 4: Simplify right side
163,986.96x = 21,726,488,153.20 - Step 5: Solve for x
x = 21,726,488,153.20/163,986.96 - Step 6: Final answer
x = 132,489.12
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1.5x scale
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.