Finding the Fourth Proportional to 110,954.97, 153,120.56 and 67,348.02
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Solution
The fourth proportional to 110,954.97, 153,120.56 and 67,348.02 is: 92,941.90
Step by Step Solution
- Step 1: Write the proportion equation
110,954.97 : 153,120.56 = 67,348.02 : x - Step 2: Convert to fraction form
110,954.97/153,120.56 = 67,348.02/x - Step 3: Cross multiply
110,954.97x = 153,120.56 × 67,348.02 - Step 4: Simplify right side
110,954.97x = 10,312,366,200.55 - Step 5: Solve for x
x = 10,312,366,200.55/110,954.97 - Step 6: Final answer
x = 92,941.90
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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.