Finding the Fourth Proportional to 114,350.63, 157,803.86 and 69,638.63
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Solution
The fourth proportional to 114,350.63, 157,803.86 and 69,638.63 is: 96,101.30
Step by Step Solution
- Step 1: Write the proportion equation
114,350.63 : 157,803.86 = 69,638.63 : x - Step 2: Convert to fraction form
114,350.63/157,803.86 = 69,638.63/x - Step 3: Cross multiply
114,350.63x = 157,803.86 × 69,638.63 - Step 4: Simplify right side
114,350.63x = 10,989,244,004.19 - Step 5: Solve for x
x = 10,989,244,004.19/114,350.63 - Step 6: Final answer
x = 96,101.30
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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.