Finding the Fourth Proportional to 119,657.26, 165,124.99 and 65,941.13
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Solution
The fourth proportional to 119,657.26, 165,124.99 and 65,941.13 is: 90,997.63
Step by Step Solution
- Step 1: Write the proportion equation
119,657.26 : 165,124.99 = 65,941.13 : x - Step 2: Convert to fraction form
119,657.26/165,124.99 = 65,941.13/x - Step 3: Cross multiply
119,657.26x = 165,124.99 × 65,941.13 - Step 4: Simplify right side
119,657.26x = 10,888,527,858.77 - Step 5: Solve for x
x = 10,888,527,858.77/119,657.26 - Step 6: Final answer
x = 90,997.63
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1.5x scale
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.