Finding the Fourth Proportional to 156,837.92, 235,124.63 and 68,024.55
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Solution
The fourth proportional to 156,837.92, 235,124.63 and 68,024.55 is: 101,979.47
Step by Step Solution
- Step 1: Write the proportion equation
156,837.92 : 235,124.63 = 68,024.55 : x - Step 2: Convert to fraction form
156,837.92/235,124.63 = 68,024.55/x - Step 3: Cross multiply
156,837.92x = 235,124.63 × 68,024.55 - Step 4: Simplify right side
156,837.92x = 15,994,246,809.54 - Step 5: Solve for x
x = 15,994,246,809.54/156,837.92 - Step 6: Final answer
x = 101,979.47
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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.