Finding the Fourth Proportional to 133,520.08, 184,199.08 and 79,778.20
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Solution
The fourth proportional to 133,520.08, 184,199.08 and 79,778.20 is: 110,058.88
Step by Step Solution
- Step 1: Write the proportion equation
133,520.08 : 184,199.08 = 79,778.20 : x - Step 2: Convert to fraction form
133,520.08/184,199.08 = 79,778.20/x - Step 3: Cross multiply
133,520.08x = 184,199.08 × 79,778.20 - Step 4: Simplify right side
133,520.08x = 14,695,071,044.06 - Step 5: Solve for x
x = 14,695,071,044.06/133,520.08 - Step 6: Final answer
x = 110,058.88
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1.5x scale
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.