Finding the Fourth Proportional to 130,625.08, 195,937.62 and 51,794.80
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Solution
The fourth proportional to 130,625.08, 195,937.62 and 51,794.80 is: 77,692.20
Step by Step Solution
- Step 1: Write the proportion equation
130,625.08 : 195,937.62 = 51,794.80 : x - Step 2: Convert to fraction form
130,625.08/195,937.62 = 51,794.80/x - Step 3: Cross multiply
130,625.08x = 195,937.62 × 51,794.80 - Step 4: Simplify right side
130,625.08x = 10,148,549,840.38 - Step 5: Solve for x
x = 10,148,549,840.38/130,625.08 - Step 6: Final answer
x = 77,692.20
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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.