Finding the Fourth Proportional to 101,558.97, 140,166.86 and 63,324.75
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Solution
The fourth proportional to 101,558.97, 140,166.86 and 63,324.75 is: 87,397.80
Step by Step Solution
- Step 1: Write the proportion equation
101,558.97 : 140,166.86 = 63,324.75 : x - Step 2: Convert to fraction form
101,558.97/140,166.86 = 63,324.75/x - Step 3: Cross multiply
101,558.97x = 140,166.86 × 63,324.75 - Step 4: Simplify right side
101,558.97x = 8,876,031,051.16 - Step 5: Solve for x
x = 8,876,031,051.16/101,558.97 - Step 6: Final answer
x = 87,397.80
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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.