Finding the Fourth Proportional to 138,250.80, 207,376.20 and 96,041.70
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Solution
The fourth proportional to 138,250.80, 207,376.20 and 96,041.70 is: 144,062.55
Step by Step Solution
- Step 1: Write the proportion equation
138,250.80 : 207,376.20 = 96,041.70 : x - Step 2: Convert to fraction form
138,250.80/207,376.20 = 96,041.70/x - Step 3: Cross multiply
138,250.80x = 207,376.20 × 96,041.70 - Step 4: Simplify right side
138,250.80x = 19,916,762,787.54 - Step 5: Solve for x
x = 19,916,762,787.54/138,250.80 - Step 6: Final answer
x = 144,062.55
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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.