Finding the Fourth Proportional to 145,911.28, 201,329.56 and 88,534.88
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Solution
The fourth proportional to 145,911.28, 201,329.56 and 88,534.88 is: 122,161.14
Step by Step Solution
- Step 1: Write the proportion equation
145,911.28 : 201,329.56 = 88,534.88 : x - Step 2: Convert to fraction form
145,911.28/201,329.56 = 88,534.88/x - Step 3: Cross multiply
145,911.28x = 201,329.56 × 88,534.88 - Step 4: Simplify right side
145,911.28x = 17,824,688,435.05 - Step 5: Solve for x
x = 17,824,688,435.05/145,911.28 - Step 6: Final answer
x = 122,161.14
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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.