Finding the Fourth Proportional to 114,102.68, 157,449.58 and 63,107.31
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Solution
The fourth proportional to 114,102.68, 157,449.58 and 63,107.31 is: 87,081.38
Step by Step Solution
- Step 1: Write the proportion equation
114,102.68 : 157,449.58 = 63,107.31 : x - Step 2: Convert to fraction form
114,102.68/157,449.58 = 63,107.31/x - Step 3: Cross multiply
114,102.68x = 157,449.58 × 63,107.31 - Step 4: Simplify right side
114,102.68x = 9,936,218,736.11 - Step 5: Solve for x
x = 9,936,218,736.11/114,102.68 - Step 6: Final answer
x = 87,081.38
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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.