Finding the Fourth Proportional to 135,875.18, 203,615.94 and 76,584.70
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Solution
The fourth proportional to 135,875.18, 203,615.94 and 76,584.70 is: 114,766.11
Step by Step Solution
- Step 1: Write the proportion equation
135,875.18 : 203,615.94 = 76,584.70 : x - Step 2: Convert to fraction form
135,875.18/203,615.94 = 76,584.70/x - Step 3: Cross multiply
135,875.18x = 203,615.94 × 76,584.70 - Step 4: Simplify right side
135,875.18x = 15,593,866,221.83 - Step 5: Solve for x
x = 15,593,866,221.83/135,875.18 - Step 6: Final answer
x = 114,766.11
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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.