Finding the Fourth Proportional to 117,634.91, 162,335.85 and 63,919.92
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Solution
The fourth proportional to 117,634.91, 162,335.85 and 63,919.92 is: 88,209.32
Step by Step Solution
- Step 1: Write the proportion equation
117,634.91 : 162,335.85 = 63,919.92 : x - Step 2: Convert to fraction form
117,634.91/162,335.85 = 63,919.92/x - Step 3: Cross multiply
117,634.91x = 162,335.85 × 63,919.92 - Step 4: Simplify right side
117,634.91x = 10,376,494,545.13 - Step 5: Solve for x
x = 10,376,494,545.13/117,634.91 - Step 6: Final answer
x = 88,209.32
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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.