Finding the Fourth Proportional to 156,920.14, 235,491.36 and 68,199.58
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Solution
The fourth proportional to 156,920.14, 235,491.36 and 68,199.58 is: 102,347.68
Step by Step Solution
- Step 1: Write the proportion equation
156,920.14 : 235,491.36 = 68,199.58 : x - Step 2: Convert to fraction form
156,920.14/235,491.36 = 68,199.58/x - Step 3: Cross multiply
156,920.14x = 235,491.36 × 68,199.58 - Step 4: Simplify right side
156,920.14x = 16,060,411,845.63 - Step 5: Solve for x
x = 16,060,411,845.63/156,920.14 - Step 6: Final answer
x = 102,347.68
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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.