Finding the Fourth Proportional to 156,774.30, 235,201.95 and 68,007.48
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Solution
The fourth proportional to 156,774.30, 235,201.95 and 68,007.48 is: 102,028.79
Step by Step Solution
- Step 1: Write the proportion equation
156,774.30 : 235,201.95 = 68,007.48 : x - Step 2: Convert to fraction form
156,774.30/235,201.95 = 68,007.48/x - Step 3: Cross multiply
156,774.30x = 235,201.95 × 68,007.48 - Step 4: Simplify right side
156,774.30x = 15,995,491,910.59 - Step 5: Solve for x
x = 15,995,491,910.59/156,774.30 - Step 6: Final answer
x = 102,028.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.