Finding the Fourth Proportional to 118,423.68, 177,547.68 and 71,665.44
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Solution
The fourth proportional to 118,423.68, 177,547.68 and 71,665.44 is: 107,445.00
Step by Step Solution
- Step 1: Write the proportion equation
118,423.68 : 177,547.68 = 71,665.44 : x - Step 2: Convert to fraction form
118,423.68/177,547.68 = 71,665.44/x - Step 3: Cross multiply
118,423.68x = 177,547.68 × 71,665.44 - Step 4: Simplify right side
118,423.68x = 12,724,032,608.18 - Step 5: Solve for x
x = 12,724,032,608.18/118,423.68 - Step 6: Final answer
x = 107,445.00
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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.