Finding the Fourth Proportional to 135,506.84, 203,385.18 and 68,994.92
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Solution
The fourth proportional to 135,506.84, 203,385.18 and 68,994.92 is: 103,555.98
Step by Step Solution
- Step 1: Write the proportion equation
135,506.84 : 203,385.18 = 68,994.92 : x - Step 2: Convert to fraction form
135,506.84/203,385.18 = 68,994.92/x - Step 3: Cross multiply
135,506.84x = 203,385.18 × 68,994.92 - Step 4: Simplify right side
135,506.84x = 14,032,544,223.29 - Step 5: Solve for x
x = 14,032,544,223.29/135,506.84 - Step 6: Final answer
x = 103,555.98
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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.