Finding the Fourth Proportional to 125,119.92, 187,709.32 and 36,370.84
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Solution
The fourth proportional to 125,119.92, 187,709.32 and 36,370.84 is: 54,564.82
Step by Step Solution
- Step 1: Write the proportion equation
125,119.92 : 187,709.32 = 36,370.84 : x - Step 2: Convert to fraction form
125,119.92/187,709.32 = 36,370.84/x - Step 3: Cross multiply
125,119.92x = 187,709.32 × 36,370.84 - Step 4: Simplify right side
125,119.92x = 6,827,145,644.23 - Step 5: Solve for x
x = 6,827,145,644.23/125,119.92 - Step 6: Final answer
x = 54,564.82
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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.