Finding the Fourth Proportional to 124,512, 171,826.56 and 79,800
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Solution
The fourth proportional to 124,512, 171,826.56 and 79,800 is: 110,124
Step by Step Solution
- Step 1: Write the proportion equation
124,512 : 171,826.56 = 79,800 : x - Step 2: Convert to fraction form
124,512/171,826.56 = 79,800/x - Step 3: Cross multiply
124,512x = 171,826.56 × 79,800 - Step 4: Simplify right side
124,512x = 13,711,759,488 - Step 5: Solve for x
x = 13,711,759,488/124,512 - Step 6: Final answer
x = 110,124
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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.