Finding the Fourth Proportional to 119,857.74, 165,402.99 and 69,555.66
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Solution
The fourth proportional to 119,857.74, 165,402.99 and 69,555.66 is: 95,986.41
Step by Step Solution
- Step 1: Write the proportion equation
119,857.74 : 165,402.99 = 69,555.66 : x - Step 2: Convert to fraction form
119,857.74/165,402.99 = 69,555.66/x - Step 3: Cross multiply
119,857.74x = 165,402.99 × 69,555.66 - Step 4: Simplify right side
119,857.74x = 11,504,714,135.42 - Step 5: Solve for x
x = 11,504,714,135.42/119,857.74 - Step 6: Final answer
x = 95,986.41
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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.