Finding the Fourth Proportional to 167,317.68, 230,898.92 and 91,871.12
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Solution
The fourth proportional to 167,317.68, 230,898.92 and 91,871.12 is: 126,782.43
Step by Step Solution
- Step 1: Write the proportion equation
167,317.68 : 230,898.92 = 91,871.12 : x - Step 2: Convert to fraction form
167,317.68/230,898.92 = 91,871.12/x - Step 3: Cross multiply
167,317.68x = 230,898.92 × 91,871.12 - Step 4: Simplify right side
167,317.68x = 21,212,942,387.19 - Step 5: Solve for x
x = 21,212,942,387.19/167,317.68 - Step 6: Final answer
x = 126,782.43
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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.