Finding the Fourth Proportional to 134,178.24, 185,183.49 and 86,570.08
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Solution
The fourth proportional to 134,178.24, 185,183.49 and 86,570.08 is: 119,478.02
Step by Step Solution
- Step 1: Write the proportion equation
134,178.24 : 185,183.49 = 86,570.08 : x - Step 2: Convert to fraction form
134,178.24/185,183.49 = 86,570.08/x - Step 3: Cross multiply
134,178.24x = 185,183.49 × 86,570.08 - Step 4: Simplify right side
134,178.24x = 16,031,349,682.30 - Step 5: Solve for x
x = 16,031,349,682.30/134,178.24 - Step 6: Final answer
x = 119,478.02
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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.