Finding the Fourth Proportional to 114,350.75, 157,804.04 and 69,638.75
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Solution
The fourth proportional to 114,350.75, 157,804.04 and 69,638.75 is: 96,101.48
Step by Step Solution
- Step 1: Write the proportion equation
114,350.75 : 157,804.04 = 69,638.75 : x - Step 2: Convert to fraction form
114,350.75/157,804.04 = 69,638.75/x - Step 3: Cross multiply
114,350.75x = 157,804.04 × 69,638.75 - Step 4: Simplify right side
114,350.75x = 10,989,276,090.55 - Step 5: Solve for x
x = 10,989,276,090.55/114,350.75 - Step 6: Final answer
x = 96,101.48
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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.