Finding the Fourth Proportional to 131,097.60, 196,444.80 and 97,660.80
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Solution
The fourth proportional to 131,097.60, 196,444.80 and 97,660.80 is: 146,341.02
Step by Step Solution
- Step 1: Write the proportion equation
131,097.60 : 196,444.80 = 97,660.80 : x - Step 2: Convert to fraction form
131,097.60/196,444.80 = 97,660.80/x - Step 3: Cross multiply
131,097.60x = 196,444.80 × 97,660.80 - Step 4: Simplify right side
131,097.60x = 19,184,956,323.84 - Step 5: Solve for x
x = 19,184,956,323.84/131,097.60 - Step 6: Final answer
x = 146,341.02
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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.