Finding the Fourth Proportional to 135,511.19, 203,452.98 and 68,996.01
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Solution
The fourth proportional to 135,511.19, 203,452.98 and 68,996.01 is: 103,588.82
Step by Step Solution
- Step 1: Write the proportion equation
135,511.19 : 203,452.98 = 68,996.01 : x - Step 2: Convert to fraction form
135,511.19/203,452.98 = 68,996.01/x - Step 3: Cross multiply
135,511.19x = 203,452.98 × 68,996.01 - Step 4: Simplify right side
135,511.19x = 14,037,443,670.12 - Step 5: Solve for x
x = 14,037,443,670.12/135,511.19 - Step 6: Final answer
x = 103,588.82
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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.