Finding the Fourth Proportional to 125,713.16, 173,487.12 and 68,355.76
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Solution
The fourth proportional to 125,713.16, 173,487.12 and 68,355.76 is: 94,332.56
Step by Step Solution
- Step 1: Write the proportion equation
125,713.16 : 173,487.12 = 68,355.76 : x - Step 2: Convert to fraction form
125,713.16/173,487.12 = 68,355.76/x - Step 3: Cross multiply
125,713.16x = 173,487.12 × 68,355.76 - Step 4: Simplify right side
125,713.16x = 11,858,843,937.81 - Step 5: Solve for x
x = 11,858,843,937.81/125,713.16 - Step 6: Final answer
x = 94,332.56
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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.