Finding the Fourth Proportional to 134,783.80, 202,394.40 and 75,734.80
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Solution
The fourth proportional to 134,783.80, 202,394.40 and 75,734.80 is: 113,725.09
Step by Step Solution
- Step 1: Write the proportion equation
134,783.80 : 202,394.40 = 75,734.80 : x - Step 2: Convert to fraction form
134,783.80/202,394.40 = 75,734.80/x - Step 3: Cross multiply
134,783.80x = 202,394.40 × 75,734.80 - Step 4: Simplify right side
134,783.80x = 15,328,299,405.12 - Step 5: Solve for x
x = 15,328,299,405.12/134,783.80 - Step 6: Final answer
x = 113,725.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.