Finding the Fourth Proportional to 135,108.24, 186,568.92 and 84,207.84
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Solution
The fourth proportional to 135,108.24, 186,568.92 and 84,207.84 is: 116,281.33
Step by Step Solution
- Step 1: Write the proportion equation
135,108.24 : 186,568.92 = 84,207.84 : x - Step 2: Convert to fraction form
135,108.24/186,568.92 = 84,207.84/x - Step 3: Cross multiply
135,108.24x = 186,568.92 × 84,207.84 - Step 4: Simplify right side
135,108.24x = 15,710,565,764.33 - Step 5: Solve for x
x = 15,710,565,764.33/135,108.24 - Step 6: Final answer
x = 116,281.33
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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.