Finding the Fourth Proportional to 125,287.02, 172,895.58 and 68,698.26
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Solution
The fourth proportional to 125,287.02, 172,895.58 and 68,698.26 is: 94,803.32
Step by Step Solution
- Step 1: Write the proportion equation
125,287.02 : 172,895.58 = 68,698.26 : x - Step 2: Convert to fraction form
125,287.02/172,895.58 = 68,698.26/x - Step 3: Cross multiply
125,287.02x = 172,895.58 × 68,698.26 - Step 4: Simplify right side
125,287.02x = 11,877,625,507.69 - Step 5: Solve for x
x = 11,877,625,507.69/125,287.02 - Step 6: Final answer
x = 94,803.32
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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.