Finding the Fourth Proportional to 156,957.48, 216,683.97 and 125,993.61
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Solution
The fourth proportional to 156,957.48, 216,683.97 and 125,993.61 is: 173,937.53
Step by Step Solution
- Step 1: Write the proportion equation
156,957.48 : 216,683.97 = 125,993.61 : x - Step 2: Convert to fraction form
156,957.48/216,683.97 = 125,993.61/x - Step 3: Cross multiply
156,957.48x = 216,683.97 × 125,993.61 - Step 4: Simplify right side
156,957.48x = 27,300,795,609.43 - Step 5: Solve for x
x = 27,300,795,609.43/156,957.48 - Step 6: Final answer
x = 173,937.53
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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.