Finding the Fourth Proportional to 134,845.10, 202,267.65 and 87,605.90
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Solution
The fourth proportional to 134,845.10, 202,267.65 and 87,605.90 is: 131,408.85
Step by Step Solution
- Step 1: Write the proportion equation
134,845.10 : 202,267.65 = 87,605.90 : x - Step 2: Convert to fraction form
134,845.10/202,267.65 = 87,605.90/x - Step 3: Cross multiply
134,845.10x = 202,267.65 × 87,605.90 - Step 4: Simplify right side
134,845.10x = 17,719,839,519.14 - Step 5: Solve for x
x = 17,719,839,519.14/134,845.10 - Step 6: Final answer
x = 131,408.85
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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.