Finding the Fourth Proportional to 124,966.75, 172,454.12 and 68,378.13
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Solution
The fourth proportional to 124,966.75, 172,454.12 and 68,378.13 is: 94,361.82
Step by Step Solution
- Step 1: Write the proportion equation
124,966.75 : 172,454.12 = 68,378.13 : x - Step 2: Convert to fraction form
124,966.75/172,454.12 = 68,378.13/x - Step 3: Cross multiply
124,966.75x = 172,454.12 × 68,378.13 - Step 4: Simplify right side
124,966.75x = 11,792,090,236.40 - Step 5: Solve for x
x = 11,792,090,236.40/124,966.75 - Step 6: Final answer
x = 94,361.82
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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.