Finding the Fourth Proportional to 119,209.07, 164,509.63 and 65,495.20
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Solution
The fourth proportional to 119,209.07, 164,509.63 and 65,495.20 is: 90,383.99
Step by Step Solution
- Step 1: Write the proportion equation
119,209.07 : 164,509.63 = 65,495.20 : x - Step 2: Convert to fraction form
119,209.07/164,509.63 = 65,495.20/x - Step 3: Cross multiply
119,209.07x = 164,509.63 × 65,495.20 - Step 4: Simplify right side
119,209.07x = 10,774,591,118.78 - Step 5: Solve for x
x = 10,774,591,118.78/119,209.07 - Step 6: Final answer
x = 90,383.99
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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.