Finding the Fourth Proportional to 125,989.69, 173,865.78 and 69,401.08
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Solution
The fourth proportional to 125,989.69, 173,865.78 and 69,401.08 is: 95,773.49
Step by Step Solution
- Step 1: Write the proportion equation
125,989.69 : 173,865.78 = 69,401.08 : x - Step 2: Convert to fraction form
125,989.69/173,865.78 = 69,401.08/x - Step 3: Cross multiply
125,989.69x = 173,865.78 × 69,401.08 - Step 4: Simplify right side
125,989.69x = 12,066,472,907.04 - Step 5: Solve for x
x = 12,066,472,907.04/125,989.69 - Step 6: Final answer
x = 95,773.49
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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.