Finding the Fourth Proportional to 134,207.63, 185,210.07 and 72,957.94
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Solution
The fourth proportional to 134,207.63, 185,210.07 and 72,957.94 is: 100,683.88
Step by Step Solution
- Step 1: Write the proportion equation
134,207.63 : 185,210.07 = 72,957.94 : x - Step 2: Convert to fraction form
134,207.63/185,210.07 = 72,957.94/x - Step 3: Cross multiply
134,207.63x = 185,210.07 × 72,957.94 - Step 4: Simplify right side
134,207.63x = 13,512,544,169.49 - Step 5: Solve for x
x = 13,512,544,169.49/134,207.63 - Step 6: Final answer
x = 100,683.88
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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.