Finding the Fourth Proportional to 160,697.74, 221,759.35 and 89,077.14
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Solution
The fourth proportional to 160,697.74, 221,759.35 and 89,077.14 is: 122,924.50
Step by Step Solution
- Step 1: Write the proportion equation
160,697.74 : 221,759.35 = 89,077.14 : x - Step 2: Convert to fraction form
160,697.74/221,759.35 = 89,077.14/x - Step 3: Cross multiply
160,697.74x = 221,759.35 × 89,077.14 - Step 4: Simplify right side
160,697.74x = 19,753,688,666.26 - Step 5: Solve for x
x = 19,753,688,666.26/160,697.74 - Step 6: Final answer
x = 122,924.50
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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.