Finding the Fourth Proportional to 107,147.97, 160,503.93 and 69,594.21
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Solution
The fourth proportional to 107,147.97, 160,503.93 and 69,594.21 is: 104,249.70
Step by Step Solution
- Step 1: Write the proportion equation
107,147.97 : 160,503.93 = 69,594.21 : x - Step 2: Convert to fraction form
107,147.97/160,503.93 = 69,594.21/x - Step 3: Cross multiply
107,147.97x = 160,503.93 × 69,594.21 - Step 4: Simplify right side
107,147.97x = 11,170,144,210.25 - Step 5: Solve for x
x = 11,170,144,210.25/107,147.97 - Step 6: Final answer
x = 104,249.70
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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.