Finding the Fourth Proportional to 125,610.18, 172,835.58 and 122,620.83
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Solution
The fourth proportional to 125,610.18, 172,835.58 and 122,620.83 is: 168,722.33
Step by Step Solution
- Step 1: Write the proportion equation
125,610.18 : 172,835.58 = 122,620.83 : x - Step 2: Convert to fraction form
125,610.18/172,835.58 = 122,620.83/x - Step 3: Cross multiply
125,610.18x = 172,835.58 × 122,620.83 - Step 4: Simplify right side
125,610.18x = 21,193,242,273.13 - Step 5: Solve for x
x = 21,193,242,273.13/125,610.18 - Step 6: Final answer
x = 168,722.33
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1.5x scale
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.