Finding the Fourth Proportional to 137,060.88, 205,487.12 and 94,828.70
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Solution
The fourth proportional to 137,060.88, 205,487.12 and 94,828.70 is: 142,170.95
Step by Step Solution
- Step 1: Write the proportion equation
137,060.88 : 205,487.12 = 94,828.70 : x - Step 2: Convert to fraction form
137,060.88/205,487.12 = 94,828.70/x - Step 3: Cross multiply
137,060.88x = 205,487.12 × 94,828.70 - Step 4: Simplify right side
137,060.88x = 19,486,074,954.76 - Step 5: Solve for x
x = 19,486,074,954.76/137,060.88 - Step 6: Final answer
x = 142,170.95
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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.