Finding the Fourth Proportional to 145,827.95, 201,241.36 and 81,296.41
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Solution
The fourth proportional to 145,827.95, 201,241.36 and 81,296.41 is: 112,188.37
Step by Step Solution
- Step 1: Write the proportion equation
145,827.95 : 201,241.36 = 81,296.41 : x - Step 2: Convert to fraction form
145,827.95/201,241.36 = 81,296.41/x - Step 3: Cross multiply
145,827.95x = 201,241.36 × 81,296.41 - Step 4: Simplify right side
145,827.95x = 16,360,200,087.36 - Step 5: Solve for x
x = 16,360,200,087.36/145,827.95 - Step 6: Final answer
x = 112,188.37
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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.