Finding the Fourth Proportional to 125,278.24, 172,882.72 and 68,689.48
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Solution
The fourth proportional to 125,278.24, 172,882.72 and 68,689.48 is: 94,790.80
Step by Step Solution
- Step 1: Write the proportion equation
125,278.24 : 172,882.72 = 68,689.48 : x - Step 2: Convert to fraction form
125,278.24/172,882.72 = 68,689.48/x - Step 3: Cross multiply
125,278.24x = 172,882.72 × 68,689.48 - Step 4: Simplify right side
125,278.24x = 11,875,224,137.79 - Step 5: Solve for x
x = 11,875,224,137.79/125,278.24 - Step 6: Final answer
x = 94,790.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.