Finding the Fourth Proportional to 159,101.97, 219,561.53 and 87,486.63
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Solution
The fourth proportional to 159,101.97, 219,561.53 and 87,486.63 is: 120,732.00
Step by Step Solution
- Step 1: Write the proportion equation
159,101.97 : 219,561.53 = 87,486.63 : x - Step 2: Convert to fraction form
159,101.97/219,561.53 = 87,486.63/x - Step 3: Cross multiply
159,101.97x = 219,561.53 × 87,486.63 - Step 4: Simplify right side
159,101.97x = 19,208,698,337.34 - Step 5: Solve for x
x = 19,208,698,337.34/159,101.97 - Step 6: Final answer
x = 120,732.00
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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.