Finding the Fourth Proportional to 113.75, 156.98 and 62
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Solution
The fourth proportional to 113.75, 156.98 and 62 is: 85.56
Step by Step Solution
- Step 1: Write the proportion equation
113.75 : 156.98 = 62 : x - Step 2: Convert to fraction form
113.75/156.98 = 62/x - Step 3: Cross multiply
113.75x = 156.98 × 62 - Step 4: Simplify right side
113.75x = 9,732.76 - Step 5: Solve for x
x = 9,732.76/113.75 - Step 6: Final answer
x = 85.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.