Finding the Fourth Proportional to 120,159.33, 165,820.98 and 66,447.99
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Solution
The fourth proportional to 120,159.33, 165,820.98 and 66,447.99 is: 91,698.84
Step by Step Solution
- Step 1: Write the proportion equation
120,159.33 : 165,820.98 = 66,447.99 : x - Step 2: Convert to fraction form
120,159.33/165,820.98 = 66,447.99/x - Step 3: Cross multiply
120,159.33x = 165,820.98 × 66,447.99 - Step 4: Simplify right side
120,159.33x = 11,018,470,820.83 - Step 5: Solve for x
x = 11,018,470,820.83/120,159.33 - Step 6: Final answer
x = 91,698.84
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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.