Finding the Fourth Proportional to 125,271.18, 172,642.37 and 88,974.18
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Solution
The fourth proportional to 125,271.18, 172,642.37 and 88,974.18 is: 122,619.69
Step by Step Solution
- Step 1: Write the proportion equation
125,271.18 : 172,642.37 = 88,974.18 : x - Step 2: Convert to fraction form
125,271.18/172,642.37 = 88,974.18/x - Step 3: Cross multiply
125,271.18x = 172,642.37 × 88,974.18 - Step 4: Simplify right side
125,271.18x = 15,360,712,859.14 - Step 5: Solve for x
x = 15,360,712,859.14/125,271.18 - Step 6: Final answer
x = 122,619.69
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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.