Finding the Fourth Proportional to 97,232.60, 145,848.90 and 80,643.80
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Solution
The fourth proportional to 97,232.60, 145,848.90 and 80,643.80 is: 120,965.70
Step by Step Solution
- Step 1: Write the proportion equation
97,232.60 : 145,848.90 = 80,643.80 : x - Step 2: Convert to fraction form
97,232.60/145,848.90 = 80,643.80/x - Step 3: Cross multiply
97,232.60x = 145,848.90 × 80,643.80 - Step 4: Simplify right side
97,232.60x = 11,761,809,521.82 - Step 5: Solve for x
x = 11,761,809,521.82/97,232.60 - Step 6: Final answer
x = 120,965.70
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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.