Finding the Fourth Proportional to 136,408.10, 204,612.15 and 94,417.70
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Solution
The fourth proportional to 136,408.10, 204,612.15 and 94,417.70 is: 141,626.55
Step by Step Solution
- Step 1: Write the proportion equation
136,408.10 : 204,612.15 = 94,417.70 : x - Step 2: Convert to fraction form
136,408.10/204,612.15 = 94,417.70/x - Step 3: Cross multiply
136,408.10x = 204,612.15 × 94,417.70 - Step 4: Simplify right side
136,408.10x = 19,319,008,595.06 - Step 5: Solve for x
x = 19,319,008,595.06/136,408.10 - Step 6: Final answer
x = 141,626.55
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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.