Finding the Fourth Proportional to 119,477.84, 164,852.96 and 69,147.68
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Solution
The fourth proportional to 119,477.84, 164,852.96 and 69,147.68 is: 95,408.49
Step by Step Solution
- Step 1: Write the proportion equation
119,477.84 : 164,852.96 = 69,147.68 : x - Step 2: Convert to fraction form
119,477.84/164,852.96 = 69,147.68/x - Step 3: Cross multiply
119,477.84x = 164,852.96 × 69,147.68 - Step 4: Simplify right side
119,477.84x = 11,399,199,725.13 - Step 5: Solve for x
x = 11,399,199,725.13/119,477.84 - Step 6: Final answer
x = 95,408.49
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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.