Finding the Fourth Proportional to 176,181.49, 243,124.72 and 98,657.20
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Solution
The fourth proportional to 176,181.49, 243,124.72 and 98,657.20 is: 136,143.72
Step by Step Solution
- Step 1: Write the proportion equation
176,181.49 : 243,124.72 = 98,657.20 : x - Step 2: Convert to fraction form
176,181.49/243,124.72 = 98,657.20/x - Step 3: Cross multiply
176,181.49x = 243,124.72 × 98,657.20 - Step 4: Simplify right side
176,181.49x = 23,986,004,125.98 - Step 5: Solve for x
x = 23,986,004,125.98/176,181.49 - Step 6: Final answer
x = 136,143.72
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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.