Finding the Fourth Proportional to 118,972.74, 178,108.49 and 104,210.49
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Solution
The fourth proportional to 118,972.74, 178,108.49 and 104,210.49 is: 156,008.62
Step by Step Solution
- Step 1: Write the proportion equation
118,972.74 : 178,108.49 = 104,210.49 : x - Step 2: Convert to fraction form
118,972.74/178,108.49 = 104,210.49/x - Step 3: Cross multiply
118,972.74x = 178,108.49 × 104,210.49 - Step 4: Simplify right side
118,972.74x = 18,560,772,495.01 - Step 5: Solve for x
x = 18,560,772,495.01/118,972.74 - Step 6: Final answer
x = 156,008.62
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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.