Finding the Fourth Proportional to 125,988.67, 173,864.37 and 69,400.06
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Solution
The fourth proportional to 125,988.67, 173,864.37 and 69,400.06 is: 95,772.09
Step by Step Solution
- Step 1: Write the proportion equation
125,988.67 : 173,864.37 = 69,400.06 : x - Step 2: Convert to fraction form
125,988.67/173,864.37 = 69,400.06/x - Step 3: Cross multiply
125,988.67x = 173,864.37 × 69,400.06 - Step 4: Simplify right side
125,988.67x = 12,066,197,709.86 - Step 5: Solve for x
x = 12,066,197,709.86/125,988.67 - Step 6: Final answer
x = 95,772.09
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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.