Finding the Fourth Proportional to 124,768.78, 172,211.58 and 104,593.70
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Solution
The fourth proportional to 124,768.78, 172,211.58 and 104,593.70 is: 144,365.02
Step by Step Solution
- Step 1: Write the proportion equation
124,768.78 : 172,211.58 = 104,593.70 : x - Step 2: Convert to fraction form
124,768.78/172,211.58 = 104,593.70/x - Step 3: Cross multiply
124,768.78x = 172,211.58 × 104,593.70 - Step 4: Simplify right side
124,768.78x = 18,012,246,765.57 - Step 5: Solve for x
x = 18,012,246,765.57/124,768.78 - Step 6: Final answer
x = 144,365.02
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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.