Finding the Fourth Proportional to 97,247.60, 145,903.80 and 86,795.60
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Solution
The fourth proportional to 97,247.60, 145,903.80 and 86,795.60 is: 130,222.32
Step by Step Solution
- Step 1: Write the proportion equation
97,247.60 : 145,903.80 = 86,795.60 : x - Step 2: Convert to fraction form
97,247.60/145,903.80 = 86,795.60/x - Step 3: Cross multiply
97,247.60x = 145,903.80 × 86,795.60 - Step 4: Simplify right side
97,247.60x = 12,663,807,863.28 - Step 5: Solve for x
x = 12,663,807,863.28/97,247.60 - Step 6: Final answer
x = 130,222.32
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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.