Finding the Fourth Proportional to 135,957.60, 203,936.40 and 93,967.20
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Solution
The fourth proportional to 135,957.60, 203,936.40 and 93,967.20 is: 140,950.80
Step by Step Solution
- Step 1: Write the proportion equation
135,957.60 : 203,936.40 = 93,967.20 : x - Step 2: Convert to fraction form
135,957.60/203,936.40 = 93,967.20/x - Step 3: Cross multiply
135,957.60x = 203,936.40 × 93,967.20 - Step 4: Simplify right side
135,957.60x = 19,163,332,486.08 - Step 5: Solve for x
x = 19,163,332,486.08/135,957.60 - Step 6: Final answer
x = 140,950.80
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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.