Finding the Fourth Proportional to 107,090.26, 147,785.80 and 59,344.42
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Solution
The fourth proportional to 107,090.26, 147,785.80 and 59,344.42 is: 81,895.99
Step by Step Solution
- Step 1: Write the proportion equation
107,090.26 : 147,785.80 = 59,344.42 : x - Step 2: Convert to fraction form
107,090.26/147,785.80 = 59,344.42/x - Step 3: Cross multiply
107,090.26x = 147,785.80 × 59,344.42 - Step 4: Simplify right side
107,090.26x = 8,770,262,585.24 - Step 5: Solve for x
x = 8,770,262,585.24/107,090.26 - Step 6: Final answer
x = 81,895.99
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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.