Finding the Fourth Proportional to 125,646.24, 173,385.36 and 69,059.60
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Solution
The fourth proportional to 125,646.24, 173,385.36 and 69,059.60 is: 95,298.70
Step by Step Solution
- Step 1: Write the proportion equation
125,646.24 : 173,385.36 = 69,059.60 : x - Step 2: Convert to fraction form
125,646.24/173,385.36 = 69,059.60/x - Step 3: Cross multiply
125,646.24x = 173,385.36 × 69,059.60 - Step 4: Simplify right side
125,646.24x = 11,973,923,607.46 - Step 5: Solve for x
x = 11,973,923,607.46/125,646.24 - Step 6: Final answer
x = 95,298.70
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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.