Finding the Fourth Proportional to 135,126.66, 186,492.67 and 130,690.70
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Solution
The fourth proportional to 135,126.66, 186,492.67 and 130,690.70 is: 180,370.45
Step by Step Solution
- Step 1: Write the proportion equation
135,126.66 : 186,492.67 = 130,690.70 : x - Step 2: Convert to fraction form
135,126.66/186,492.67 = 130,690.70/x - Step 3: Cross multiply
135,126.66x = 186,492.67 × 130,690.70 - Step 4: Simplify right side
135,126.66x = 24,372,856,327.98 - Step 5: Solve for x
x = 24,372,856,327.98/135,126.66 - Step 6: Final answer
x = 180,370.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.