Finding the Fourth Proportional to 139,461.35, 192,457.22 and 75,798.99
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Solution
The fourth proportional to 139,461.35, 192,457.22 and 75,798.99 is: 104,602.91
Step by Step Solution
- Step 1: Write the proportion equation
139,461.35 : 192,457.22 = 75,798.99 : x - Step 2: Convert to fraction form
139,461.35/192,457.22 = 75,798.99/x - Step 3: Cross multiply
139,461.35x = 192,457.22 × 75,798.99 - Step 4: Simplify right side
139,461.35x = 14,588,062,515.21 - Step 5: Solve for x
x = 14,588,062,515.21/139,461.35 - Step 6: Final answer
x = 104,602.91
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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.