Finding the Fourth Proportional to 125,336.36, 172,953.24 and 71,610.68
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Solution
The fourth proportional to 125,336.36, 172,953.24 and 71,610.68 is: 98,816.49
Step by Step Solution
- Step 1: Write the proportion equation
125,336.36 : 172,953.24 = 71,610.68 : x - Step 2: Convert to fraction form
125,336.36/172,953.24 = 71,610.68/x - Step 3: Cross multiply
125,336.36x = 172,953.24 × 71,610.68 - Step 4: Simplify right side
125,336.36x = 12,385,299,124.60 - Step 5: Solve for x
x = 12,385,299,124.60/125,336.36 - Step 6: Final answer
x = 98,816.49
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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.