Finding the Fourth Proportional to 156,838.96, 235,126.18 and 68,025.57
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Solution
The fourth proportional to 156,838.96, 235,126.18 and 68,025.57 is: 101,980.99
Step by Step Solution
- Step 1: Write the proportion equation
156,838.96 : 235,126.18 = 68,025.57 : x - Step 2: Convert to fraction form
156,838.96/235,126.18 = 68,025.57/x - Step 3: Cross multiply
156,838.96x = 235,126.18 × 68,025.57 - Step 4: Simplify right side
156,838.96x = 15,994,592,246.36 - Step 5: Solve for x
x = 15,994,592,246.36/156,838.96 - Step 6: Final answer
x = 101,980.99
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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.