Finding the Fourth Proportional to 125,801.48, 173,603.58 and 69,213.80
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Solution
The fourth proportional to 125,801.48, 173,603.58 and 69,213.80 is: 95,513.69
Step by Step Solution
- Step 1: Write the proportion equation
125,801.48 : 173,603.58 = 69,213.80 : x - Step 2: Convert to fraction form
125,801.48/173,603.58 = 69,213.80/x - Step 3: Cross multiply
125,801.48x = 173,603.58 × 69,213.80 - Step 4: Simplify right side
125,801.48x = 12,015,763,465.40 - Step 5: Solve for x
x = 12,015,763,465.40/125,801.48 - Step 6: Final answer
x = 95,513.69
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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.