Finding the Fourth Proportional to 104,465.60, 143,962.80 and 102,546.08
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Solution
The fourth proportional to 104,465.60, 143,962.80 and 102,546.08 is: 141,317.53
Step by Step Solution
- Step 1: Write the proportion equation
104,465.60 : 143,962.80 = 102,546.08 : x - Step 2: Convert to fraction form
104,465.60/143,962.80 = 102,546.08/x - Step 3: Cross multiply
104,465.60x = 143,962.80 × 102,546.08 - Step 4: Simplify right side
104,465.60x = 14,762,820,805.82 - Step 5: Solve for x
x = 14,762,820,805.82/104,465.60 - Step 6: Final answer
x = 141,317.53
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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.