Finding the Fourth Proportional to 103,975.19, 155,946.51 and 33,854.03
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Solution
The fourth proportional to 103,975.19, 155,946.51 and 33,854.03 is: 50,775.75
Step by Step Solution
- Step 1: Write the proportion equation
103,975.19 : 155,946.51 = 33,854.03 : x - Step 2: Convert to fraction form
103,975.19/155,946.51 = 33,854.03/x - Step 3: Cross multiply
103,975.19x = 155,946.51 × 33,854.03 - Step 4: Simplify right side
103,975.19x = 5,279,417,827.94 - Step 5: Solve for x
x = 5,279,417,827.94/103,975.19 - Step 6: Final answer
x = 50,775.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.