Finding the Fourth Proportional to 125,175.37, 172,684.11 and 110,849.80
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Solution
The fourth proportional to 125,175.37, 172,684.11 and 110,849.80 is: 152,921.45
Step by Step Solution
- Step 1: Write the proportion equation
125,175.37 : 172,684.11 = 110,849.80 : x - Step 2: Convert to fraction form
125,175.37/172,684.11 = 110,849.80/x - Step 3: Cross multiply
125,175.37x = 172,684.11 × 110,849.80 - Step 4: Simplify right side
125,175.37x = 19,141,999,056.68 - Step 5: Solve for x
x = 19,141,999,056.68/125,175.37 - Step 6: Final answer
x = 152,921.45
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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.