Finding the Fourth Proportional to 135,804.96, 203,756.04 and 69,261.84
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Solution
The fourth proportional to 135,804.96, 203,756.04 and 69,261.84 is: 103,917.55
Step by Step Solution
- Step 1: Write the proportion equation
135,804.96 : 203,756.04 = 69,261.84 : x - Step 2: Convert to fraction form
135,804.96/203,756.04 = 69,261.84/x - Step 3: Cross multiply
135,804.96x = 203,756.04 × 69,261.84 - Step 4: Simplify right side
135,804.96x = 14,112,518,241.51 - Step 5: Solve for x
x = 14,112,518,241.51/135,804.96 - Step 6: Final answer
x = 103,917.55
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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.