Finding the Fourth Proportional to 134,594.10, 201,891.15 and 92,603.70
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Solution
The fourth proportional to 134,594.10, 201,891.15 and 92,603.70 is: 138,905.55
Step by Step Solution
- Step 1: Write the proportion equation
134,594.10 : 201,891.15 = 92,603.70 : x - Step 2: Convert to fraction form
134,594.10/201,891.15 = 92,603.70/x - Step 3: Cross multiply
134,594.10x = 201,891.15 × 92,603.70 - Step 4: Simplify right side
134,594.10x = 18,695,867,487.26 - Step 5: Solve for x
x = 18,695,867,487.26/134,594.10 - Step 6: Final answer
x = 138,905.55
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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.