Finding the Fourth Proportional to 135,695.60, 203,737.80 and 102,647.60
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Solution
The fourth proportional to 135,695.60, 203,737.80 and 102,647.60 is: 154,118.45
Step by Step Solution
- Step 1: Write the proportion equation
135,695.60 : 203,737.80 = 102,647.60 : x - Step 2: Convert to fraction form
135,695.60/203,737.80 = 102,647.60/x - Step 3: Cross multiply
135,695.60x = 203,737.80 × 102,647.60 - Step 4: Simplify right side
135,695.60x = 20,913,196,199.28 - Step 5: Solve for x
x = 20,913,196,199.28/135,695.60 - Step 6: Final answer
x = 154,118.45
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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.