Finding the Fourth Proportional to 131,281.60, 196,720.80 and 97,844.80
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Solution
The fourth proportional to 131,281.60, 196,720.80 and 97,844.80 is: 146,616.95
Step by Step Solution
- Step 1: Write the proportion equation
131,281.60 : 196,720.80 = 97,844.80 : x - Step 2: Convert to fraction form
131,281.60/196,720.80 = 97,844.80/x - Step 3: Cross multiply
131,281.60x = 196,720.80 × 97,844.80 - Step 4: Simplify right side
131,281.60x = 19,248,107,331.84 - Step 5: Solve for x
x = 19,248,107,331.84/131,281.60 - Step 6: Final answer
x = 146,616.95
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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.