Finding the Fourth Proportional to 119,655.44, 165,128.64 and 65,212.14
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Solution
The fourth proportional to 119,655.44, 165,128.64 and 65,212.14 is: 89,995.02
Step by Step Solution
- Step 1: Write the proportion equation
119,655.44 : 165,128.64 = 65,212.14 : x - Step 2: Convert to fraction form
119,655.44/165,128.64 = 65,212.14/x - Step 3: Cross multiply
119,655.44x = 165,128.64 × 65,212.14 - Step 4: Simplify right side
119,655.44x = 10,768,392,840.51 - Step 5: Solve for x
x = 10,768,392,840.51/119,655.44 - Step 6: Final answer
x = 89,995.02
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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.