Finding the Fourth Proportional to 97,196.40, 134,130.42 and 54,768.60
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Solution
The fourth proportional to 97,196.40, 134,130.42 and 54,768.60 is: 75,580.32
Step by Step Solution
- Step 1: Write the proportion equation
97,196.40 : 134,130.42 = 54,768.60 : x - Step 2: Convert to fraction form
97,196.40/134,130.42 = 54,768.60/x - Step 3: Cross multiply
97,196.40x = 134,130.42 × 54,768.60 - Step 4: Simplify right side
97,196.40x = 7,346,135,320.81 - Step 5: Solve for x
x = 7,346,135,320.81/97,196.40 - Step 6: Final answer
x = 75,580.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.