Finding the Fourth Proportional to 137,819.84, 190,102.40 and 94,779.84
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Solution
The fourth proportional to 137,819.84, 190,102.40 and 94,779.84 is: 130,734.99
Step by Step Solution
- Step 1: Write the proportion equation
137,819.84 : 190,102.40 = 94,779.84 : x - Step 2: Convert to fraction form
137,819.84/190,102.40 = 94,779.84/x - Step 3: Cross multiply
137,819.84x = 190,102.40 × 94,779.84 - Step 4: Simplify right side
137,819.84x = 18,017,875,055.62 - Step 5: Solve for x
x = 18,017,875,055.62/137,819.84 - Step 6: Final answer
x = 130,734.99
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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.