Finding the Fourth Proportional to 160,120.25, 239,986.18 and 117,606.13
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Solution
The fourth proportional to 160,120.25, 239,986.18 and 117,606.13 is: 176,266.55
Step by Step Solution
- Step 1: Write the proportion equation
160,120.25 : 239,986.18 = 117,606.13 : x - Step 2: Convert to fraction form
160,120.25/239,986.18 = 117,606.13/x - Step 3: Cross multiply
160,120.25x = 239,986.18 × 117,606.13 - Step 4: Simplify right side
160,120.25x = 28,223,844,768.79 - Step 5: Solve for x
x = 28,223,844,768.79/160,120.25 - Step 6: Final answer
x = 176,266.55
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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.