Finding the Fourth Proportional to 125,652.81, 173,402.19 and 68,292.12
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Solution
The fourth proportional to 125,652.81, 173,402.19 and 68,292.12 is: 94,243.84
Step by Step Solution
- Step 1: Write the proportion equation
125,652.81 : 173,402.19 = 68,292.12 : x - Step 2: Convert to fraction form
125,652.81/173,402.19 = 68,292.12/x - Step 3: Cross multiply
125,652.81x = 173,402.19 × 68,292.12 - Step 4: Simplify right side
125,652.81x = 11,842,003,167.74 - Step 5: Solve for x
x = 11,842,003,167.74/125,652.81 - Step 6: Final answer
x = 94,243.84
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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.