Finding the Fourth Proportional to 125,342.02, 172,966.35 and 68,752.18
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Solution
The fourth proportional to 125,342.02, 172,966.35 and 68,752.18 is: 94,874.92
Step by Step Solution
- Step 1: Write the proportion equation
125,342.02 : 172,966.35 = 68,752.18 : x - Step 2: Convert to fraction form
125,342.02/172,966.35 = 68,752.18/x - Step 3: Cross multiply
125,342.02x = 172,966.35 × 68,752.18 - Step 4: Simplify right side
125,342.02x = 11,891,813,629.14 - Step 5: Solve for x
x = 11,891,813,629.14/125,342.02 - Step 6: Final answer
x = 94,874.92
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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.