Finding the Fourth Proportional to 125,747.12, 173,528.16 and 69,159.44
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Solution
The fourth proportional to 125,747.12, 173,528.16 and 69,159.44 is: 95,438.45
Step by Step Solution
- Step 1: Write the proportion equation
125,747.12 : 173,528.16 = 69,159.44 : x - Step 2: Convert to fraction form
125,747.12/173,528.16 = 69,159.44/x - Step 3: Cross multiply
125,747.12x = 173,528.16 × 69,159.44 - Step 4: Simplify right side
125,747.12x = 12,001,110,369.83 - Step 5: Solve for x
x = 12,001,110,369.83/125,747.12 - Step 6: Final answer
x = 95,438.45
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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.