Finding the Fourth Proportional to 101,151.54, 139,636.36 and 58,701.87
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Solution
The fourth proportional to 101,151.54, 139,636.36 and 58,701.87 is: 81,035.99
Step by Step Solution
- Step 1: Write the proportion equation
101,151.54 : 139,636.36 = 58,701.87 : x - Step 2: Convert to fraction form
101,151.54/139,636.36 = 58,701.87/x - Step 3: Cross multiply
101,151.54x = 139,636.36 × 58,701.87 - Step 4: Simplify right side
101,151.54x = 8,196,914,607.06 - Step 5: Solve for x
x = 8,196,914,607.06/101,151.54 - Step 6: Final answer
x = 81,035.99
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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.