Finding the Fourth Proportional to 124,276.14, 171,442.44 and 84,003.96
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Solution
The fourth proportional to 124,276.14, 171,442.44 and 84,003.96 is: 115,885.83
Step by Step Solution
- Step 1: Write the proportion equation
124,276.14 : 171,442.44 = 84,003.96 : x - Step 2: Convert to fraction form
124,276.14/171,442.44 = 84,003.96/x - Step 3: Cross multiply
124,276.14x = 171,442.44 × 84,003.96 - Step 4: Simplify right side
124,276.14x = 14,401,843,872.06 - Step 5: Solve for x
x = 14,401,843,872.06/124,276.14 - Step 6: Final answer
x = 115,885.83
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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.