Finding the Fourth Proportional to 134,758.10, 202,137.15 and 92,767.70
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Solution
The fourth proportional to 134,758.10, 202,137.15 and 92,767.70 is: 139,151.55
Step by Step Solution
- Step 1: Write the proportion equation
134,758.10 : 202,137.15 = 92,767.70 : x - Step 2: Convert to fraction form
134,758.10/202,137.15 = 92,767.70/x - Step 3: Cross multiply
134,758.10x = 202,137.15 × 92,767.70 - Step 4: Simplify right side
134,758.10x = 18,751,798,490.06 - Step 5: Solve for x
x = 18,751,798,490.06/134,758.10 - Step 6: Final answer
x = 139,151.55
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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.