Finding the Fourth Proportional to 125,177.60, 172,745.16 and 68,588.96
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Solution
The fourth proportional to 125,177.60, 172,745.16 and 68,588.96 is: 94,652.80
Step by Step Solution
- Step 1: Write the proportion equation
125,177.60 : 172,745.16 = 68,588.96 : x - Step 2: Convert to fraction form
125,177.60/172,745.16 = 68,588.96/x - Step 3: Cross multiply
125,177.60x = 172,745.16 × 68,588.96 - Step 4: Simplify right side
125,177.60x = 11,848,410,869.43 - Step 5: Solve for x
x = 11,848,410,869.43/125,177.60 - Step 6: Final answer
x = 94,652.80
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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.