Finding the Fourth Proportional to 121,207.91, 181,563.99 and 98,798.45
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Solution
The fourth proportional to 121,207.91, 181,563.99 and 98,798.45 is: 147,995.63
Step by Step Solution
- Step 1: Write the proportion equation
121,207.91 : 181,563.99 = 98,798.45 : x - Step 2: Convert to fraction form
121,207.91/181,563.99 = 98,798.45/x - Step 3: Cross multiply
121,207.91x = 181,563.99 × 98,798.45 - Step 4: Simplify right side
121,207.91x = 17,938,239,880.00 - Step 5: Solve for x
x = 17,938,239,880.00/121,207.91 - Step 6: Final answer
x = 147,995.63
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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.