Finding the Fourth Proportional to 125,184.68, 172,660.68 and 86,944.27
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Solution
The fourth proportional to 125,184.68, 172,660.68 and 86,944.27 is: 119,917.68
Step by Step Solution
- Step 1: Write the proportion equation
125,184.68 : 172,660.68 = 86,944.27 : x - Step 2: Convert to fraction form
125,184.68/172,660.68 = 86,944.27/x - Step 3: Cross multiply
125,184.68x = 172,660.68 × 86,944.27 - Step 4: Simplify right side
125,184.68x = 15,011,856,780.30 - Step 5: Solve for x
x = 15,011,856,780.30/125,184.68 - Step 6: Final answer
x = 119,917.68
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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.