Finding the Fourth Proportional to 159,192.06, 219,682.69 and 87,567.81
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Solution
The fourth proportional to 159,192.06, 219,682.69 and 87,567.81 is: 120,842.28
Step by Step Solution
- Step 1: Write the proportion equation
159,192.06 : 219,682.69 = 87,567.81 : x - Step 2: Convert to fraction form
159,192.06/219,682.69 = 87,567.81/x - Step 3: Cross multiply
159,192.06x = 219,682.69 × 87,567.81 - Step 4: Simplify right side
159,192.06x = 19,237,132,058.21 - Step 5: Solve for x
x = 19,237,132,058.21/159,192.06 - Step 6: Final answer
x = 120,842.28
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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.