Finding the Fourth Proportional to 137,690.04, 206,392.99 and 57,774.43
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Solution
The fourth proportional to 137,690.04, 206,392.99 and 57,774.43 is: 86,602.03
Step by Step Solution
- Step 1: Write the proportion equation
137,690.04 : 206,392.99 = 57,774.43 : x - Step 2: Convert to fraction form
137,690.04/206,392.99 = 57,774.43/x - Step 3: Cross multiply
137,690.04x = 206,392.99 × 57,774.43 - Step 4: Simplify right side
137,690.04x = 11,924,237,353.25 - Step 5: Solve for x
x = 11,924,237,353.25/137,690.04 - Step 6: Final answer
x = 86,602.03
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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.