Finding the Fourth Proportional to 114,865.87, 158,491.67 and 67,109.99
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Solution
The fourth proportional to 114,865.87, 158,491.67 and 67,109.99 is: 92,598.21
Step by Step Solution
- Step 1: Write the proportion equation
114,865.87 : 158,491.67 = 67,109.99 : x - Step 2: Convert to fraction form
114,865.87/158,491.67 = 67,109.99/x - Step 3: Cross multiply
114,865.87x = 158,491.67 × 67,109.99 - Step 4: Simplify right side
114,865.87x = 10,636,374,388.78 - Step 5: Solve for x
x = 10,636,374,388.78/114,865.87 - Step 6: Final answer
x = 92,598.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.