Finding the Fourth Proportional to 134,205.84, 185,204.46 and 73,781.68
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Solution
The fourth proportional to 134,205.84, 185,204.46 and 73,781.68 is: 101,818.94
Step by Step Solution
- Step 1: Write the proportion equation
134,205.84 : 185,204.46 = 73,781.68 : x - Step 2: Convert to fraction form
134,205.84/185,204.46 = 73,781.68/x - Step 3: Cross multiply
134,205.84x = 185,204.46 × 73,781.68 - Step 4: Simplify right side
134,205.84x = 13,664,696,202.29 - Step 5: Solve for x
x = 13,664,696,202.29/134,205.84 - Step 6: Final answer
x = 101,818.94
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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.