Finding the Fourth Proportional to 137,698.15, 206,283.93 and 93,106.03
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Solution
The fourth proportional to 137,698.15, 206,283.93 and 93,106.03 is: 139,481.02
Step by Step Solution
- Step 1: Write the proportion equation
137,698.15 : 206,283.93 = 93,106.03 : x - Step 2: Convert to fraction form
137,698.15/206,283.93 = 93,106.03/x - Step 3: Cross multiply
137,698.15x = 206,283.93 × 93,106.03 - Step 4: Simplify right side
137,698.15x = 19,206,277,775.10 - Step 5: Solve for x
x = 19,206,277,775.10/137,698.15 - Step 6: Final answer
x = 139,481.02
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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.