Finding the Fourth Proportional to 97,345.60, 146,104.80 and 84,212.80
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Solution
The fourth proportional to 97,345.60, 146,104.80 and 84,212.80 is: 126,393.94
Step by Step Solution
- Step 1: Write the proportion equation
97,345.60 : 146,104.80 = 84,212.80 : x - Step 2: Convert to fraction form
97,345.60/146,104.80 = 84,212.80/x - Step 3: Cross multiply
97,345.60x = 146,104.80 × 84,212.80 - Step 4: Simplify right side
97,345.60x = 12,303,894,301.44 - Step 5: Solve for x
x = 12,303,894,301.44/97,345.60 - Step 6: Final answer
x = 126,393.94
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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.