Finding the Fourth Proportional to 161,402.10, 222,752.61 and 93,417.99
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Solution
The fourth proportional to 161,402.10, 222,752.61 and 93,417.99 is: 128,927.08
Step by Step Solution
- Step 1: Write the proportion equation
161,402.10 : 222,752.61 = 93,417.99 : x - Step 2: Convert to fraction form
161,402.10/222,752.61 = 93,417.99/x - Step 3: Cross multiply
161,402.10x = 222,752.61 × 93,417.99 - Step 4: Simplify right side
161,402.10x = 20,809,101,093.45 - Step 5: Solve for x
x = 20,809,101,093.45/161,402.10 - Step 6: Final answer
x = 128,927.08
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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.