Finding the Fourth Proportional to 159,885.42, 220,617.66 and 106,249.26
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Solution
The fourth proportional to 159,885.42, 220,617.66 and 106,249.26 is: 146,607.88
Step by Step Solution
- Step 1: Write the proportion equation
159,885.42 : 220,617.66 = 106,249.26 : x - Step 2: Convert to fraction form
159,885.42/220,617.66 = 106,249.26/x - Step 3: Cross multiply
159,885.42x = 220,617.66 × 106,249.26 - Step 4: Simplify right side
159,885.42x = 23,440,463,117.93 - Step 5: Solve for x
x = 23,440,463,117.93/159,885.42 - Step 6: Final answer
x = 146,607.88
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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.