Finding the Fourth Proportional to 107,875.86, 161,815.14 and 41,319.99
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Solution
The fourth proportional to 107,875.86, 161,815.14 and 41,319.99 is: 61,980.50
Step by Step Solution
- Step 1: Write the proportion equation
107,875.86 : 161,815.14 = 41,319.99 : x - Step 2: Convert to fraction form
107,875.86/161,815.14 = 41,319.99/x - Step 3: Cross multiply
107,875.86x = 161,815.14 × 41,319.99 - Step 4: Simplify right side
107,875.86x = 6,686,199,966.65 - Step 5: Solve for x
x = 6,686,199,966.65/107,875.86 - Step 6: Final answer
x = 61,980.50
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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.