Finding the Fourth Proportional to 137,933.65, 190,370.99 and 114,926.96
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Solution
The fourth proportional to 137,933.65, 190,370.99 and 114,926.96 is: 158,618.00
Step by Step Solution
- Step 1: Write the proportion equation
137,933.65 : 190,370.99 = 114,926.96 : x - Step 2: Convert to fraction form
137,933.65/190,370.99 = 114,926.96/x - Step 3: Cross multiply
137,933.65x = 190,370.99 × 114,926.96 - Step 4: Simplify right side
137,933.65x = 21,878,759,916.14 - Step 5: Solve for x
x = 21,878,759,916.14/137,933.65 - Step 6: Final answer
x = 158,618.00
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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.