Finding the Fourth Proportional to 134,421.08, 185,501.76 and 73,997.80
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Solution
The fourth proportional to 134,421.08, 185,501.76 and 73,997.80 is: 102,117.33
Step by Step Solution
- Step 1: Write the proportion equation
134,421.08 : 185,501.76 = 73,997.80 : x - Step 2: Convert to fraction form
134,421.08/185,501.76 = 73,997.80/x - Step 3: Cross multiply
134,421.08x = 185,501.76 × 73,997.80 - Step 4: Simplify right side
134,421.08x = 13,726,722,136.13 - Step 5: Solve for x
x = 13,726,722,136.13/134,421.08 - Step 6: Final answer
x = 102,117.33
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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.