Finding the Fourth Proportional to 107,022.18, 147,684.12 and 59,272.68
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Solution
The fourth proportional to 107,022.18, 147,684.12 and 59,272.68 is: 81,792.70
Step by Step Solution
- Step 1: Write the proportion equation
107,022.18 : 147,684.12 = 59,272.68 : x - Step 2: Convert to fraction form
107,022.18/147,684.12 = 59,272.68/x - Step 3: Cross multiply
107,022.18x = 147,684.12 × 59,272.68 - Step 4: Simplify right side
107,022.18x = 8,753,633,585.84 - Step 5: Solve for x
x = 8,753,633,585.84/107,022.18 - Step 6: Final answer
x = 81,792.70
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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.