Finding the Fourth Proportional to 124,816.14, 172,246.50 and 68,227.92
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Solution
The fourth proportional to 124,816.14, 172,246.50 and 68,227.92 is: 94,154.65
Step by Step Solution
- Step 1: Write the proportion equation
124,816.14 : 172,246.50 = 68,227.92 : x - Step 2: Convert to fraction form
124,816.14/172,246.50 = 68,227.92/x - Step 3: Cross multiply
124,816.14x = 172,246.50 × 68,227.92 - Step 4: Simplify right side
124,816.14x = 11,752,020,422.28 - Step 5: Solve for x
x = 11,752,020,422.28/124,816.14 - Step 6: Final answer
x = 94,154.65
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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.