Finding the Fourth Proportional to 125,104.54, 172,637.84 and 68,504.98
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Solution
The fourth proportional to 125,104.54, 172,637.84 and 68,504.98 is: 94,533.35
Step by Step Solution
- Step 1: Write the proportion equation
125,104.54 : 172,637.84 = 68,504.98 : x - Step 2: Convert to fraction form
125,104.54/172,637.84 = 68,504.98/x - Step 3: Cross multiply
125,104.54x = 172,637.84 × 68,504.98 - Step 4: Simplify right side
125,104.54x = 11,826,551,776.44 - Step 5: Solve for x
x = 11,826,551,776.44/125,104.54 - Step 6: Final answer
x = 94,533.35
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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.