Finding the Fourth Proportional to 131,923.58, 182,095.90 and 84,176.84
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Solution
The fourth proportional to 131,923.58, 182,095.90 and 84,176.84 is: 116,190.43
Step by Step Solution
- Step 1: Write the proportion equation
131,923.58 : 182,095.90 = 84,176.84 : x - Step 2: Convert to fraction form
131,923.58/182,095.90 = 84,176.84/x - Step 3: Cross multiply
131,923.58x = 182,095.90 × 84,176.84 - Step 4: Simplify right side
131,923.58x = 15,328,257,438.96 - Step 5: Solve for x
x = 15,328,257,438.96/131,923.58 - Step 6: Final answer
x = 116,190.43
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1.5x scale
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.