Finding the Fourth Proportional to 115,959.42, 173,588.97 and 104,871.33
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Solution
The fourth proportional to 115,959.42, 173,588.97 and 104,871.33 is: 156,990.32
Step by Step Solution
- Step 1: Write the proportion equation
115,959.42 : 173,588.97 = 104,871.33 : x - Step 2: Convert to fraction form
115,959.42/173,588.97 = 104,871.33/x - Step 3: Cross multiply
115,959.42x = 173,588.97 × 104,871.33 - Step 4: Simplify right side
115,959.42x = 18,204,506,157.23 - Step 5: Solve for x
x = 18,204,506,157.23/115,959.42 - Step 6: Final answer
x = 156,990.32
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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.