Finding the Fourth Proportional to 125,107.81, 172,652.93 and 68,522.29
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Solution
The fourth proportional to 125,107.81, 172,652.93 and 68,522.29 is: 94,563.03
Step by Step Solution
- Step 1: Write the proportion equation
125,107.81 : 172,652.93 = 68,522.29 : x - Step 2: Convert to fraction form
125,107.81/172,652.93 = 68,522.29/x - Step 3: Cross multiply
125,107.81x = 172,652.93 × 68,522.29 - Step 4: Simplify right side
125,107.81x = 11,830,574,138.81 - Step 5: Solve for x
x = 11,830,574,138.81/125,107.81 - Step 6: Final answer
x = 94,563.03
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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.