Finding the Fourth Proportional to 131,956.34, 197,931.73 and 32,117.09
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Solution
The fourth proportional to 131,956.34, 197,931.73 and 32,117.09 is: 48,174.95
Step by Step Solution
- Step 1: Write the proportion equation
131,956.34 : 197,931.73 = 32,117.09 : x - Step 2: Convert to fraction form
131,956.34/197,931.73 = 32,117.09/x - Step 3: Cross multiply
131,956.34x = 197,931.73 × 32,117.09 - Step 4: Simplify right side
131,956.34x = 6,356,990,116.31 - Step 5: Solve for x
x = 6,356,990,116.31/131,956.34 - Step 6: Final answer
x = 48,174.95
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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.