Finding the Fourth Proportional to 124,383.24, 171,756.18 and 106,653.96
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Solution
The fourth proportional to 124,383.24, 171,756.18 and 106,653.96 is: 147,274.48
Step by Step Solution
- Step 1: Write the proportion equation
124,383.24 : 171,756.18 = 106,653.96 : x - Step 2: Convert to fraction form
124,383.24/171,756.18 = 106,653.96/x - Step 3: Cross multiply
124,383.24x = 171,756.18 × 106,653.96 - Step 4: Simplify right side
124,383.24x = 18,318,476,751.47 - Step 5: Solve for x
x = 18,318,476,751.47/124,383.24 - Step 6: Final answer
x = 147,274.48
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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.