Finding the Fourth Proportional to 117,855.36, 176,783.04 and 97,035.12
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Solution
The fourth proportional to 117,855.36, 176,783.04 and 97,035.12 is: 145,552.68
Step by Step Solution
- Step 1: Write the proportion equation
117,855.36 : 176,783.04 = 97,035.12 : x - Step 2: Convert to fraction form
117,855.36/176,783.04 = 97,035.12/x - Step 3: Cross multiply
117,855.36x = 176,783.04 × 97,035.12 - Step 4: Simplify right side
117,855.36x = 17,154,163,500.36 - Step 5: Solve for x
x = 17,154,163,500.36/117,855.36 - Step 6: Final answer
x = 145,552.68
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1.5x scale
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.