Finding the Fourth Proportional to 135,854.64, 203,560.60 and 83,153.52
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Solution
The fourth proportional to 135,854.64, 203,560.60 and 83,153.52 is: 124,594.79
Step by Step Solution
- Step 1: Write the proportion equation
135,854.64 : 203,560.60 = 83,153.52 : x - Step 2: Convert to fraction form
135,854.64/203,560.60 = 83,153.52/x - Step 3: Cross multiply
135,854.64x = 203,560.60 × 83,153.52 - Step 4: Simplify right side
135,854.64x = 16,926,780,423.31 - Step 5: Solve for x
x = 16,926,780,423.31/135,854.64 - Step 6: Final answer
x = 124,594.79
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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.