Finding the Fourth Proportional to 157,201.41, 216,992.62 and 93,537.84
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Solution
The fourth proportional to 157,201.41, 216,992.62 and 93,537.84 is: 129,114.75
Step by Step Solution
- Step 1: Write the proportion equation
157,201.41 : 216,992.62 = 93,537.84 : x - Step 2: Convert to fraction form
157,201.41/216,992.62 = 93,537.84/x - Step 3: Cross multiply
157,201.41x = 216,992.62 × 93,537.84 - Step 4: Simplify right side
157,201.41x = 20,297,020,970.74 - Step 5: Solve for x
x = 20,297,020,970.74/157,201.41 - Step 6: Final answer
x = 129,114.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.