Finding the Fourth Proportional to 145,656.63, 201,035.93 and 91,905.44
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Solution
The fourth proportional to 145,656.63, 201,035.93 and 91,905.44 is: 126,848.29
Step by Step Solution
- Step 1: Write the proportion equation
145,656.63 : 201,035.93 = 91,905.44 : x - Step 2: Convert to fraction form
145,656.63/201,035.93 = 91,905.44/x - Step 3: Cross multiply
145,656.63x = 201,035.93 × 91,905.44 - Step 4: Simplify right side
145,656.63x = 18,476,294,137.75 - Step 5: Solve for x
x = 18,476,294,137.75/145,656.63 - Step 6: Final answer
x = 126,848.29
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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.