Finding the Fourth Proportional to 124,226.21, 171,454.50 and 73,235.90
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Solution
The fourth proportional to 124,226.21, 171,454.50 and 73,235.90 is: 101,078.70
Step by Step Solution
- Step 1: Write the proportion equation
124,226.21 : 171,454.50 = 73,235.90 : x - Step 2: Convert to fraction form
124,226.21/171,454.50 = 73,235.90/x - Step 3: Cross multiply
124,226.21x = 171,454.50 × 73,235.90 - Step 4: Simplify right side
124,226.21x = 12,556,623,759.28 - Step 5: Solve for x
x = 12,556,623,759.28/124,226.21 - Step 6: Final answer
x = 101,078.70
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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.