Finding the Fourth Proportional to 142,122.47, 213,071.24 and 53,366.09
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Solution
The fourth proportional to 142,122.47, 213,071.24 and 53,366.09 is: 80,006.90
Step by Step Solution
- Step 1: Write the proportion equation
142,122.47 : 213,071.24 = 53,366.09 : x - Step 2: Convert to fraction form
142,122.47/213,071.24 = 53,366.09/x - Step 3: Cross multiply
142,122.47x = 213,071.24 × 53,366.09 - Step 4: Simplify right side
142,122.47x = 11,370,778,038.31 - Step 5: Solve for x
x = 11,370,778,038.31/142,122.47 - Step 6: Final answer
x = 80,006.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.