Finding the Fourth Proportional to 124,025.44, 170,865.84 and 86,234.08
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Solution
The fourth proportional to 124,025.44, 170,865.84 and 86,234.08 is: 118,801.90
Step by Step Solution
- Step 1: Write the proportion equation
124,025.44 : 170,865.84 = 86,234.08 : x - Step 2: Convert to fraction form
124,025.44/170,865.84 = 86,234.08/x - Step 3: Cross multiply
124,025.44x = 170,865.84 × 86,234.08 - Step 4: Simplify right side
124,025.44x = 14,734,458,515.83 - Step 5: Solve for x
x = 14,734,458,515.83/124,025.44 - Step 6: Final answer
x = 118,801.90
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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.