Finding the Fourth Proportional to 167,170.91, 230,695.11 and 90,690.08
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Solution
The fourth proportional to 167,170.91, 230,695.11 and 90,690.08 is: 125,151.91
Step by Step Solution
- Step 1: Write the proportion equation
167,170.91 : 230,695.11 = 90,690.08 : x - Step 2: Convert to fraction form
167,170.91/230,695.11 = 90,690.08/x - Step 3: Cross multiply
167,170.91x = 230,695.11 × 90,690.08 - Step 4: Simplify right side
167,170.91x = 20,921,757,981.51 - Step 5: Solve for x
x = 20,921,757,981.51/167,170.91 - Step 6: Final answer
x = 125,151.91
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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.