Finding the Fourth Proportional to 125,272.74, 172,775.94 and 110,133.30
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Solution
The fourth proportional to 125,272.74, 172,775.94 and 110,133.30 is: 151,895.65
Step by Step Solution
- Step 1: Write the proportion equation
125,272.74 : 172,775.94 = 110,133.30 : x - Step 2: Convert to fraction form
125,272.74/172,775.94 = 110,133.30/x - Step 3: Cross multiply
125,272.74x = 172,775.94 × 110,133.30 - Step 4: Simplify right side
125,272.74x = 19,028,384,432.80 - Step 5: Solve for x
x = 19,028,384,432.80/125,272.74 - Step 6: Final answer
x = 151,895.65
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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.