Finding the Fourth Proportional to 135,917.60, 187,560.04 and 75,492.08
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Solution
The fourth proportional to 135,917.60, 187,560.04 and 75,492.08 is: 104,175.60
Step by Step Solution
- Step 1: Write the proportion equation
135,917.60 : 187,560.04 = 75,492.08 : x - Step 2: Convert to fraction form
135,917.60/187,560.04 = 75,492.08/x - Step 3: Cross multiply
135,917.60x = 187,560.04 × 75,492.08 - Step 4: Simplify right side
135,917.60x = 14,159,297,544.48 - Step 5: Solve for x
x = 14,159,297,544.48/135,917.60 - Step 6: Final answer
x = 104,175.60
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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.