Finding the Fourth Proportional to 135,465.23, 203,123.78 and 107,564.51
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Solution
The fourth proportional to 135,465.23, 203,123.78 and 107,564.51 is: 161,287.95
Step by Step Solution
- Step 1: Write the proportion equation
135,465.23 : 203,123.78 = 107,564.51 : x - Step 2: Convert to fraction form
135,465.23/203,123.78 = 107,564.51/x - Step 3: Cross multiply
135,465.23x = 203,123.78 × 107,564.51 - Step 4: Simplify right side
135,465.23x = 21,848,909,327.23 - Step 5: Solve for x
x = 21,848,909,327.23/135,465.23 - Step 6: Final answer
x = 161,287.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.